178. The Crash: The Mackenzie Shirilla Case (Going Beyond The Netflix Doc)
39m 47s
This episode explores the controversial 2022 car crash in Strongsville, Ohio, that killed two teenagers—Dominic Russo and Davion Flanagan—while 17-year-old Mackenzie Sherilla survived with life-altering injuries. Initially perceived as a drunk or drug-related accident, deeper investigations uncovered troubling details: cell phone data showed Mackenzie drove on an unusual route days prior and at the crash time, and vehicle telemetry indicated she accelerated to over 100 mph without braking. The black box recorded repeated gear shifts, suggesting conscious control, not a crash due to loss of awareness. Social media posts, including a TikTok where she mocks her own "drug resilience" and a Halloween party costume, fueled accusations of premeditation and lack of remorse. Prosecutors argued that Mackenzie’s behavior and digital footprint revealed intent, while her defense claimed trauma-induced amnesia from a long-standing POTS condition. The defense’s claim was undermined by the fact that her mother admitted to concealing the condition during her license application. At trial, Judge Russo found Mackenzie guilty on all counts, citing intent and route deviations, and sentenced her to 15 years to life, with concurrent sentences. The verdict sparked debate about whether it was a moment of rage or a planned act, with some suggesting it was a murder-suicide during a volatile breakup. Despite claims by Sherilla’s family that evidence misrepresents the events—such as Dominic being the one who threatened to crash—the case remains unresolved in public discourse. The story highlights how social media, trauma, and witness accounts can shape legal outcomes, and underscores the emotional toll on victims’ families, especially Davion’s parents, who established a scholarship in his honor. While the documentary covers the surface, deeper analysis reveals that the case hinges on unresolved questions about motive, memory, and accountability.
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Welcome to another episode of HeartStars Pounding.
As always, I'm your host, Kaitlin Moore.
Now, you guys know I love a good documentary.
I get a lot of recommendations, actually, from you all.
I constantly am checking my DMs,
and it's just things I should watch
behind the scenes on cool documentaries
I need to check out.
I love it.
But there was one recently
that I noticed a lot of you sending me.
Netflix just released a documentary called
The Crash that looks at the case of Mackenzie Sherilla,
a girl that was behind the wheel of a car
that crashed in 2022 where two people died.
And the deeper that investigators got
into the case, the more that the crash stopped
looking like an accident and started looking
like it was intentional.
Now, I spent a lot of time deep diving into this case.
And let me tell you, there is a lot more
that the documentary doesn't even touch on.
So what I wanted to do for you today was do a big overview
on the case, but really highlight some of the pieces
that the doc was missing, because I think, like me,
a lot of you were really interested in this case
and we're looking for more context on what was going on.
We're going to look into all of that today.
So let's get into it.
It was the summer of 2022 in Strongsville, Ohio,
the morning of July 31st, a normally quiet part of town.
No one was up and about yet.
The sky was slowly turning the deep blue of pre-dawn
when someone noticed something strange near the intersection
of Progress Drive and Alameda.
A ground sign by the road had been completely destroyed
and passed it near the brick wall of a manufacturer's house.
In front of the building of the manufacturing facility
lay a 2018 Toyota Camry that looked like it had,
to put it lightly, exploded.
The brick wall in front of the Camry was damaged.
The car had clearly careened off the road
and smashed headfirst into it.
Now the car was in terrible shape.
The entire front was badly mangled.
The windshield was folded in on itself
and the body of the car was completely crumpled.
The first person on the scene was Michael Galassi,
a patrol officer with the Strongsville police.
To his eyes, the car almost looked like it had been cut in half.
Beneath the crumpled hood, the nose of the car
was a nearly unrecognizable tangle of metal
and debris from the brick wall.
All of the airbags inside the car had been deployed
and that almost completely obscured the windows.
Galassi ran to the driver's side to check for survivors
and through the broken glass, he saw what he thought
were the legs and lower torso of a young woman.
Her head was under the dashboard
and she was still strapped into her seatbelt.
And through the passenger side window,
he saw that the seat was fully reclined.
There was a body sprawled across it, facing upward.
It was a young man who had severe head trauma.
He didn't seem to be breathing and beneath him,
there was a third body of another young man.
The Strongsville Fire Department arrived shortly after
and using hydraulic equipment,
they freed all three occupants from the car.
Officer Galassi had assumed that
all of the people inside were dead.
I mean, this crash really did not look like anything
someone could survive.
But that actually wasn't the case.
One of the young men, 20-year-old Dominic Russo, was dead.
And the other, a high school senior named Davion Flanagan,
did show faint vital signs.
Neither of those boys were wearing seat belts, however.
The driver of the car was also miraculously alive,
having sustained severe injuries to her legs and arms.
That was 17-year-old Mackenzie Shaw.
Barely conscious, she spoke to the EMTs, asking,
"How is Davion?"
Now, Davion was lying on top of Dom in the passenger seat.
The accident appeared to have launched him
from the back seat into the front of the car.
A pair of ambulances were called
to take the two survivors to the hospital.
Mackenzie was airlifted safely
and taken straight to Metro Health Medical Center.
The other survivor, Davion, tragically passed away while waiting for the helicopters to arrive.
Once all three victims were removed from the Camry,
police and other first responders went over to the wreck to check for evidence
to see what could have possibly caused this incredibly violent crash.
Inside, Galassi found eight grams of psilocybin, mushrooms,
a digital scale, and a bag of marijuana inside of Mackenzie's purse.
They took extensive photos of the wreck,
documenting the scene of the accident,
because that's what it was, they figured.
An accident, a senseless tragedy caused by a teen driver
who was clearly under the influence of either drugs or alcohol or something.
However, what was contained inside of the wreck carried a different story.
Something that would turn this from a senseless accident into a murder.
On August 2nd, 2022, Mackenzie Chirilla turned 18 in a hospital bed.
She had been very badly banged up when they brought her in
on the beginning of July 31st.
Everyone who talks about this case says it was essentially a miracle that she survived.
She had a broken femur, three broken ribs, both her kidney and liver were lacerated,
and one of her arms were broken.
Both of her carotid arteries had been damaged when her neck snapped forward in the crash.
The two victims of the crash had already been identified as Dominic Russo,
her 20-year-old boyfriend, and Davion Flanagan,
who walked the stage at graduation with Mackenzie that May.
The shock of losing these two boys was already rippling through the community.
Classmates, family, and friends were all sharing memorials to Dominic and Davion on their obituary pages,
and a lot of these you can still see to this day.
I cannot stress enough the outpouring of love and support that was flooding Mackenzie
as she recovered in the Metro Health Medical Center.
Now, Mackenzie, like a lot of people her age,
Now, Mackenzie, like a lot of people her age,
was known to be very active on social media,
particularly TikTok, Instagram, and Snapchat.
In our research, we also found that she had a Facebook account as well.
And though her social media accounts have now all gone dark,
recordings of her posts are still all over the internet.
It's a little overwhelming, honestly.
Through her Instagram @kenzysharilla,
she posted alongside her friend Rosie Graham,
who was another aspiring model,
Mackenzie documented some of this journey to recovery
while she was laying inside of the hospital,
and some of those videos are still on social media to this day.
Davion was a star football player.
He recently had to rethink his career path
because he tore his ACL,
and according to his adoptive parents,
he wanted to go to barber school
and eventually open up his own shop.
And by contrast, his friend Dominic
didn't have as specific of a path that he wanted to go down.
He was 20 years old,
and he had graduated a couple years earlier.
It seemed like he was still trying to figure out
what he wanted to do with his life.
He had started a clothing line at one point.
He dabbled in producing music
and investing in cryptocurrency.
According to his siblings, though,
he was an endlessly curious young man.
Dominic and Mackenzie had been dating
for four years at that point.
They'd met when he was an upperclassman
and she was a freshman.
And they actually had moved in together
in December of the previous year
into a house that was owned by Dominic's mother, Christine.
He was known to hamper Mackenzie
with gifts like clothes and accessories.
To quote Mackenzie's parents,
he, quote,
"wasn't hurting for money."
The two of them were part of this
inseparable group of five friends:
Mackenzie, Dominic, Davion,
Rosie, and Bubba,
who was one of Davion's football teammates.
They hung out almost every day,
including the day of the accident.
So the night of July 30th
began with a graduation party
at the house of one of Mackenzie's friends,
named Kelly.
Mackenzie had been friends since 2020.
It was described as being a pretty low-key event.
This is according to them.
It was just a handful of friends
hanging out around a fire pit, smoking weed.
Mackenzie, Dominic, and Davion
arrived at about 10:30 p.m.,
with a bottle of tequila and some weed.
Now, Mackenzie was known to smoke a lot of weed.
She heavily documented herself on social media,
smoking blunts and bongs, often while driving.
In that Netflix documentary,
her parents are very open about the fact
that they never had a problem with this.
They said at least weed was better
than some of the other drugs
that other teenagers were doing.
I think a direct quote is something like,
"She's not shooting up dope," something like that.
While the group was hanging out that night,
Mackenzie asked Kelly if she was into magic mushrooms.
Kelly said that she wasn't, and the evening went on.
According to Kelly, it sounded like Dominic and Mackenzie
were debating between spending the night and doing mushrooms
or going to another friend's place.
Around a half hour later, the three decided
that they were just gonna go to the friend's house
and they left Kelly's party.
At 11:00 p.m., Mackenzie, Dominic, and Davion
arrived at the home of Paul Burlinghouse.
He had been friends with Mackenzie since middle school,
this was also described as another low key hang,
everyone just getting high, watching YouTube videos
and listening to some music.
Paul went to sleep at around midnight,
so he didn't see Mackenzie leave.
According to her other friends,
Mackenzie slept briefly at 3:00 a.m.
and then woke up at around 5:00 a.m. to go back home.
Someone else had offered to give Davion a ride,
but he chose instead to go with Mackenzie and Dominic.
This is unfortunately a common story.
That I'm sure a lot of us have experienced.
Kids out one night drinking, doing drugs,
and then getting into a car wreck.
And maybe police thought that it was going to be easy
to get to the bottom of this
because they had seen that a lot,
that exact thing that I described,
kids getting into a wreck after doing drugs.
But it very quickly became evident
that that was not going to be the case here.
When Mackenzie went in for surgery,
doctors ran a blood test on her
and it revealed contrary to what people might have been
expecting that she had not been drunk that night.
She was also supposed to get a drug test,
which ended up being canceled
and not taken until a few days later.
That revealed that she didn't have mushrooms
in her system either.
It seemed like the only thing in her blood
was THC from marijuana.
Now, there is some debate online about the mushrooms.
Because the test was taken days later,
there might not have been anything left in her system.
But regardless, police thought that the best thing
to do at this point would be to just ask
Mackenzie outright what exactly happened that night.
If you weren't high on shrooms or drunk,
how did the car crash?
The only thing, though, was that Mackenzie didn't remember.
According to Mackenzie, she remembered being in the car
on her way home and then waking up in the hospital.
She didn't remember anything about the crash,
nothing about swerving, nothing about not feeling well,
nothing.
This was going to be a much more complicated investigation
than they had anticipated.
And it was going to come down to witness testimony
and what they could find out about Mackenzie
from her online presence to help fill in the gaps.
So not long after the crash, Tyler Croy,
one of Davion's best friends,
visited Strongsville Police Department
with a tip for investigative detective Zaki Hazoo.
Croy showed the police an app on his phone called Life360.
It's a location monitoring app that shares cell phone
tracking between friends and family.
Croy had been out of town during the crash,
but when he heard that Davion was involved,
he immediately went and checked Davion's tracking data
from the morning of the 31st.
And according to the app, Davion had been traveling
at 90 miles per hour right before the crash happened,
not slowing down at all before the car hit the brick building.
Now, this app wasn't proof of anything,
but it might indicate that there was some sort
of technical glitch in the 2018 Toyota Camry.
And this is where things start getting,
even more suspicious.
The Camry had an event data recorder,
which is essentially a black box.
Now that had been salvaged by the vehicle forensics team
and sent to a specialist in Brooklyn to interpret the data.
According to this expert,
the EDR only stored the final 4.75 seconds before the crash,
but that data seemed to back up
what the Life360 app had shown.
The car's accelerator was pressed all the way down for at least
4.6 of those seconds, and the brake was not applied.
The final speed of the car was estimated to be
between 80 and 100 miles per hour.
They were able to reconstruct enough to know
that the car hit the curb, briefly went airborne,
and then about a second before impact,
there was a hard yank on the steering wheel,
about 142 degrees.
And also they found that the car had been, quote,
"Shifted back and forth between drive, sequential,
and neutral in the 4.7 seconds before the crash."
Now, everyone had questions about this.
Was that a sign of the driver
maybe trying to regain control of the car?
Or was it perhaps a passenger that was trying
to wrestle control from a dangerous driver?
But investigators were now sure of one thing, at least.
Nothing had gone wrong with the car to cause this.
The driver, Mackenzie, had pressed her foot
all the way down on the pedal until the car was accelerating
to nearly 100 miles per hour, and she did not hit the curb.
She hit the brake once.
And this whole investigation was about to get even stranger,
honestly.
Detective Hazoo managed to get a hold of nearby CCTV cameras
that showed the street leading up to the crash site.
A video feed from a nearby intersection
showed Mackenzie's Camry traveling
at a reasonable 35 miles per hour, signaling,
and then turning onto progress drive.
Nothing about this part of the video
seems like reckless driving.
But at some point in the half-mile gap,
Mackenzie's car had accelerated
from 35 to 100 miles per hour
because a camera showed the car flying by
at breakneck speed and crashing out of frame.
And from these videos, they were able to estimate
that the car had been accelerating,
meaning the pedal was likely pushed all the way down
for over 24 seconds.
It was at this point that the Strongsville Police Department
realized that they had to treat this
like a potential homicide.
Detective Hazoo visited Mackenzie in the hospital
to tell her and her mother,
and he let them know that the police
needed to take Mackenzie's phone for a little while.
Mackenzie was shocked by this.
She apparently didn't think this was a possibility at all.
According to Detective Hazoo,
the first thing she said in response was, quote,
"Can't you just take my license away
for 10 years or something?"
Now, I noticed that that wasn't mentioned in the documentary,
but I could not believe that that was her response.
Two people were dead, and she asked if her license
could just be taken for a bit as punishment.
Investigators also found that very strange.
I was not the only one.
And it was once the investigators got a hold of her phone
that the image of who Mackenzie really was
started becoming a bit more clear.
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Investigators first noticed that, in the days leading up to them taking her phone,
Mackenzie was deeply invested in making amends for what happened.
She texted Dominic's mother, Christine Russo, trying her best to explain.
She wrote,
"I don't remember the accident, all I remember is turning on the street and then my vision
to black. I wish I could remember. It would make me feel a little bit better. On August 6th,
she texted Dominic's brother Angelo. Her message read, would you be able to go in Dom's room and
grab some photos from his desk of me and him so I could put them in his casket so he can be with
me forever? She later sent a follow-up text to Angelo that read, quote, I know you probably think
that this is all my fault. I wish that he was here too. This should have never happened. I really do
feel bad. It's killing me. Mackenzie's parents, Natalie and Steven, were by her side from day one.
If you've seen the documentary, you see how much they stand up for her. They had been through a
rough patch recently. The couple actually had declared Chapter 7 bankruptcy that May, the same
month that Mackenzie graduated. Stephanie Jessup, who was Mackenzie's aunt, had started a GoFundMe
page to support Mackenzie's recovery because that was going to be a big financial burden on the
family. And she was bracing for a long and painful rehab. Now, during this time, Mackenzie also
received a visit from Jamie Flanagan, Davion's adopted mother. Jamie encountered Natalie
Sherilla in the hospital room, looking after her daughter. And the first thing that Natalie said
to her, according to this woman, rather than, I'm sorry for your loss, anything like that,
no. She said, quote, don't believe what they're saying on Facebook. Now,
Jamie found this extremely odd. What did Natalie mean? People online, it seemed, were already
turning against Mackenzie. They were saying that there was something suspicious about the crash
and they blamed Mackenzie for what happened. Now, we all know that social media does love a
scapegoat. And the more that the public was able to comb through her social media, the more that
they were blaming her for things based on posts she had made. And in this case, the internet mob
might actually have been onto something. On TikTok, Kenzie and Dom posted like a ride or die power
couple going out together, smoking weed, partying together. They also showed themselves dancing in
the club, going to the county fair, taking a party bus to prom, that kind of thing. In reality,
the relationship was a pretty volatile one. Dominic's mother, Christine Russo, said that
the relationship between Dominic and Mackenzie soured starting in January of 2022. But according
to their peers, tension was growing. And they said, well, I don't know. I don't know. I don't know.
Tension was just a regular part of this relationship. Dominic's family said that
Dom and Mackenzie had a relationship of high highs and really low lows. They would have these huge
fights. They would break up and then they would get back together. And this would happen on a
regular basis. The four years that they spent together included several periods where they
were fully broken up after huge fights. Friends would mention that Mackenzie stopped trusting
Dominic after he cheated on her and she regularly threatened to break up with him. Dominic's friends
said that he could do much better, saying that she was a problem. But no matter what side they
were on, everyone pretty much agreed that the couple's arguments were dramatic and oftentimes
dangerous. When Mackenzie didn't get her way, it seemed like she could be pretty intense.
One of her fights with her parents was so bad that it was the subject of a police report.
On March 23rd, 2020, Strongsville police were called to the Sherilla household because Mackenzie,
who was 15 years old, was in a car accident. She was in a car accident. at the time was threatening to take her own life. The police report said that she was not going to
be taken to the hospital for treatment because her parents did not believe that these threats
were real. Now, in the Netflix documentary, Natalie and Stephen Sherilla said that they
thought their 17-year-old daughter Mackenzie was mature enough to be trusted to move in with her
20-year-old boyfriend. Even after she was having fights with them that were so bad, the police were
getting involved, even though everyone knew about how bad her fights with Dom were, even though she
was a minor. It just, to me, seemed like they had a really, really hard time telling their daughter
no, even for basic common sense things. Mackenzie lived with Dominic for over seven months, and
according to Dominic's family, she was accepted by them and treated just like a member of their
family. But as anyone with in-laws can tell you, accepted doesn't necessarily mean liked.
Dominic's friends didn't seem to trust Mackenzie, and neither did Dom's siblings. On July 17th,
2022, Christopher Martin, who was a friend of the Russos, was with Christine when she received
a phone call from her son. Dominic was on the highway with Mackenzie, and he said that he did
not feel safe. He sounded extremely distressed, and Christine sent Martin to go get her son.
Martin got on the road and called Dominic to get a location from him, and he eventually found
Mackenzie's car pulling over on the shoulder of Interstate 71. Neither the Russo family nor
Christopher Martin were able to get a location from him, and he eventually found Mackenzie's car
and reported this incident to the police. But it did ultimately end up in the police report on this
case, and here is what the report said on this. Quote, Martin was on the phone with Dominic at the
time. As both cars were pulling over, Martin heard Dominic and Sharilla arguing. During the course of
this argument, Sharilla said, quote, I'm going to wreck this car right now. Dominic moved to exit
the vehicle when it came to a stop. Martin testified that he saw a tussle inside of the car with
Sharilla swinging her hands at him. And the more stories that police heard about the couple,
the worse things looked. One night, Mackenzie apparently showed up at Dominic's house.
She was angry, and she was demanding to be let in. Dom told her firmly that she broke up with him,
and they no longer lived together. He told her that she needed to calm down, but she did not.
She threatened to stay there all night and said that she would key his car if he didn't let her in.
Now, Dominic recorded this episode on his cell phone, and it is really harrowing to listen to.
They play a little bit of it in the documentary. It's hard to completely make sense of it,
even with all of the context, but what it does show is a pretty vivid portrait of what their
fights looked like. At times, it feels more like a hostage negotiation. And, you know, that is one
thing that I do feel like gets lost a little bit in this story. The documentary spends a lot of time
on this big, complicated picture of Mackenzie. But my heart was really breaking for Dom here.
I know that we're only seeing one side of everything, but I imagine it was scary for
him to be in a volatile relationship like this when he was so young, and to spend the last few
years of his life being threatened by his girlfriend. By the time the end of July rolled
around, it's hard to say definitively where this relationship was at. They might have been on the
verge of another cataclysmic breakup. They might have been in the process of patching things up.
Their friends were pretty divided on
this point. Dom's brother, Angelo, thinks that Dom wanted to end things for good.
Rose and Mackenzie's other friends said that the two of them were considering marriage. But I will
say anything that Rosie says was just featured in the Netflix documentary because she refused
to talk to police at all after the crash and give them any context or information. But all of this
is what led to the night of July 30th, where all we have to go on are the surveillance videos of the
car passing the light at 35 miles per hour and then screaming up to 100 and crashing into the
wall. By the fall of 2022, Mackenzie was well enough to regularly leave the hospital. In October,
she was photographed at a concert sitting in a wheelchair. Later that month, she was spotted on
social media attending a Halloween party with Rosie and some other friends. She no longer needed
the wheelchair at that point. Now, these friends were all dressed as the rapper Playboi Carti,
a look that I would describe as kind of like
zombie-like.
The parents of the victims didn't understand the reference, though. How could they? And they were
very offended by the fact that she would dress up like a corpse so soon after killing her friends.
Though some of Mackenzie's friends do say that this was a nod to Dom, that they listened to a
lot of Playboi Carti together. And even if you take Mackenzie's word for it and think that the
group costume was innocent in its intent, a lot of people think that these posts are tasteless
in context. If you didn't know any better, it would be possible to believe that they were
This 18-year-old had never been in a car accident that killed two of her friends. Her TikToks just
feel reminiscent of her life before. Poppy and flirty, she comes off as this cool stoner girl,
kind of like nothing had changed. But things were about to massively change for Mackenzie.
On November 2nd, while her mother was driving her back from physical therapy,
Mackenzie was arrested. At 2.23 p.m., Detective Hazoo charged her with the murders of Dominic
Russo and Davion Flanagan, and her bond was set at $500,000.
And, you know, maybe she was in shock, but all she could do when she was being arrested was
ask the arresting officer to not break her friendship bracelets when they were putting
the handcuffs on. Mackenzie Chirillo was facing charges of murder, felonious assault,
aggravated vehicular homicide, drug possession, and possession of criminal tools. At the time
of the crash, she was 17 years old, which would mean that she would be tried in juvenile court.
A conviction as a juvenile meant that she would be facing probation, which for the state and
parents of the victim was a crime. Mackenzie was charged with murder, felonious assault,
was very, very lenient. The state prosecutors, though, Tim Troop and Allison McGrath,
argued that there was enough probable cause to try her in a county criminal court. A grand jury
reviewed this evidence, and though they found that probable cause did not exist for the murder
charges, they did exist for the rest of the charges, including vehicular homicide and drug
possession. So Mackenzie was now going to be given a full criminal trial. Rather than probation,
she could now get multiple life
of sentences for the deaths of Dominic and Davion.
The Chirula family hired
respected local attorney, James McDonald, to represent her. At a pre-trial hearing on April
13th, Mackenzie pleaded not guilty. She waived the right to a jury trial, requesting what's known as
a bench trial before a judge who would decide the verdict and the sentencing. And I can speculate a
little bit on why she did this. Mackenzie and her mom clearly felt that the world was starting to
turn against her based on her social media activity. While she did, and still does to this
day, have supporters online, many people across platforms were pointing out a seeming lack of
remorse in Mackenzie's post-crash behavior. And this was showing up everywhere. I mean,
while researching this case, we even found a Reddit thread written by someone who was
claiming that Mackenzie bullied them in high school. People had their knives out. They were
sharing tons of stories about her. I mean, even now there's a girl on TikTok who apparently was
in prison with Mackenzie and has lots of stories about her. Her TikToks are really interesting.
But Mackenzie maybe felt that she was safer turning the decision over to an impartial judge
rather than-
a jury that could be biased by what they read online. In an ironic twist of fate too,
the judge in the case was Nancy M. Russo, but there was no relation to Dominic.
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On August 7th, 2023, the state of Ohio versus Mackenzie-Sherilla officially began. The state
prosecutors wanted to prove that Mackenzie-Sherilla intended to kill Dominic Russo in July of
2022, and that Davion Flanagan was collateral damage in this attempt.
They brought up how, according to investigators, Mackenzie's phone indicated that she had been
on the same road out of the way of her home where she crashed on July 28th, which was two days before
the incident. Now, cell phone location data can be fuzzy. It can also be imprecise. Without the
precise addresses involved, it is hard to say for certain, but everyone does seem to agree that
progress was not her usual way home. Why would she have gone so far?
We have gone so far out of her way to drive on this road, both two days before the murder
and the night of the murder. This made a lot of people feel like the crash was actually
premeditated. Now, the defense made the case that this was just reckless and irresponsible
behavior, but does not constitute willful intent to murder. They say that she blacked out during
the event and couldn't remember any of it, thanks to a combination of trauma and a medical condition
that she's been in for a long time. She's been in for a long time. She's
suffered for a number of years. Now, Mackenzie appeared in court with her right arm in a sling.
A lot of critics interpreted this as a ploy for sympathy from the judge. Now, this trial was
interesting because neither side had any way of proving what happened in the car before the crash.
And it breaks my heart to think that Davion was alive at the time of the crash. There was a chance
he could have survived long enough to explain what happened, but tragically, he died from his
injuries too soon to be able to do that. But the evidence introduced by the prosecution had mostly
to do with Mackenzie's character and her relationship with Dominic Russo. Friends of Mackenzie, Russo,
and Flanagan were brought in as witnesses, as were all of their parents. On day two of the trial,
both Dominic's mother and older brother took the stand. Christine Russo confirmed that Dominic and
Mackenzie had a very turbulent relationship characterized by regular breakups. She described
Mackenzie as possessive and said that she'd witnessed many fights between the two. Angelo Russo agreed with
her characterization of the relationship, saying, quote, I witnessed a lot of negative behavior from
her to my brother, and that just kind of pushed me away as a big brother figure because she just
wasn't fair to him. He said Dominic had intended to break up with Mackenzie that summer for good.
They played a phone video of Dominic and Mackenzie arguing outside of Dom's home,
where she is heard threatening to key his car. But the defense emphasized that this
fight was a mutual one, just between two passionate young people. Mackenzie's
lawyer introduced a text message into evidence from Mackenzie to Christine Russo that read,
quote, It really kills me not being able to remember anything. I promise you I would tell
you. I've been asking my therapist why I don't remember, and she said it's because of trauma,
but I'm going to try to get hypnotized and make myself remember. That text, he said,
indicated genuine grief and a desire to stay close to the Russos, who she thought of as extended
family. And ever since that text message from Mackenzie to Christine,
Mackenzie had maintained that she could not remember at all what had happened that night.
And that brings me to day four of the trial, when Mackenzie's team made a last minute decision to
bring Natalie Sherilla, Mackenzie's mother, to the stand. Now, Natalie and Mackenzie's
relationship had always been strange. One thing the documentary doesn't touch on is that it seems
like the two of them spoke to each other in gibberish that was similar to pig Latin. Some people have
suggested that the language is known as carny, which is literally the language that carnies at
fairs would use to talk to each other. Now, Natalie stated under oath that her daughter
had been diagnosed with a condition known as POTS. Maybe you've heard of this. It's a condition that
can cause low blood pressure and increased heart rate. She said Mackenzie had been diagnosed with
this in 2017 and had been taking salt tablets to help manage it. She claimed that Mackenzie
had been fine for a while, hadn't shown any signs of passing out, but two weeks
before the crash, her symptoms had begun to reappear. Now, maybe you can help me out in the
comments wherever you're listening, but when I read this, I couldn't help but think, if this is true,
why was she allowed to have a driver's license at all? And the prosecution asked this very question
to Natalie, and her response is a little bit baffling. Natalie admitted that she did not
disclose this condition when Mackenzie applied for her driver's license. Now, let's just try to
process this together because I think I'm still stuck on this point. If Mackenzie had passed out
in the car, if that's true, from POTS, that meant that for almost 25 seconds, two boys that were much
bigger than her were not able to get her foot off of the gas pedal. And it seems like the judge does
agree with me on the fact that the gears shifting from neutral to back to drive in the last few
seconds meant that someone in the car, likely the driver, was conscious enough to move the shifter
in that time. You know, I am sympathetic.
If Mackenzie did have POTS, it's a horrible thing to have. But it's just not really believable,
at least in my opinion, to think that she was passing out in the car from it.
And also for Natalie to say that they just didn't disclose that when getting a license,
I mean, that's just, how many people are you putting at risk if that's the case?
This admission did not win Natalie much grace.
She had already gotten a lot of criticism for seemingly relaxed parenting, to put it lightly.
Her daughter regularly posted things on the internet, like smoking a ton of weed in the car.
And Natalie followed her accounts and would like these posts, and what I assume is support.
And not to mention, during a recorded phone call between Mackenzie and Natalie while Mackenzie was in prison,
this is not in the Netflix documentary, by the way,
one of the investigators alleged that their gibberish conversation they were having
translated to something like, can't we just tell them I had a seizure or something?
To which Natalie responds, we can.
Now, another.
Another piece of evidence that came to light during the trial was an interaction on Mackenzie's Instagram from that August,
where a modeling agency from L.A. commented on one of her pictures, offering to collaborate.
Natalie had responded to this on her daughter's behalf, thanking them for the opportunity.
I actually want to read that comment to you now.
So the brand comments on one of Mackenzie's posts.
Can we use this post on our website and emails?
Well, make sure you're credited.
Reply to this comment with hashtag community if so.
And Natalie writes back.
Hello, this is her mother.
She would love if you would use that.
She's actually been trying to contact you guys for PR email.
It was a tragic accident and she did not purposefully mean to end any of her close friend's life.
This is just as painful as it is for her, as it is for everyone else, or maybe even a little bit more painful.
It just hurts me to read that out loud.
Because what do you mean it's a little bit more painful for Mackenzie than for anyone else?
It's a little bit more painful for Mackenzie than for anyone else.
I mean, siblings lost their brothers.
Parents lost their sons.
It just comes off as tone deaf.
And it seems like everyone who read this comment agrees with that.
Mackenzie ends up responding to this comment too as herself.
She goes, thank you for the comment.
I would love to work with you guys.
I've been emailing you guys a lot.
Such a great opportunity.
Thank you.
Now, Natalie was asked about this on the stand.
And she said that she responded because Mackenzie's phone was in police custody.
But again, none of this is true.
A lot of people felt like this made her seem like an opportunistic momager rather than a mother who wanted to protect her recently injured daughter.
Natalie also denied that her daughter had ever expressed ideations or a feeling to self-harm to her.
But this claim was struck immediately since the March 2020 incident, which was in a police report, was already on the record.
Which suggests, too, that Natalie was lying under oath.
As part of their closing arguments,
the prosecution introduced a pair of TikToks from Mackenzie's account.
One of them showed her smirking as an audio clip plays, saying,
quote,
I'm not even cool.
I'm just one of those girls who can do lots of drugs and not die.
And another one was a video clip cut to the song Bubblegum Bitch by Marina.
The lyrics playing over the video are,
I've got a figure like a pinup.
Got a figure like a doll.
Don't care if you think I'm dumb.
I don't care at all.
Candy bear, sweetie pie, want to be adored.
I'm the girl you die for.
Tim Troop also introduced,
the images of her attending the concert and the Halloween party,
indicating Mackenzie's shocking lack of remorse for what happened.
Though I will say, everyone grieves differently.
And I do think that there's far more in this case that suggests that Mackenzie was guilty,
more than just her social media posts.
So while those did go on trial during this case,
I don't think that's necessarily the thing that points to her guilt the most.
But I am curious what other people think.
The question, though, at the end of all this,
seemed to boil down to a judgment over Mackenzie herself.
Did she crash the car intentionally?
Or did she black out?
Is this someone who planned to kill her boyfriend?
Or someone who did not know what she was doing?
On Friday, August 14th, Judge Russo gave her verdict.
Mackenzie Sherilla was guilty on all counts.
She noted that the obscure route they took
and Mackenzie's previous visit to the route
showed some sort of intent.
She said that while it could not be proven
that she didn't intend to alter the rules,
she said that she didn't intend to alter the rules.
She said that she didn't intend to alter the rules.
A murder-suicide that fails to be a suicide
is still a murder.
A closing line that, unintentionally, went pretty hard.
The part of her judgment that became most memorable
was the turn of phrase that she used
to describe Mackenzie's driving.
Quote,
Mackenzie Sherilla received two sentences
of 15 years to life.
The families of the victims argued
that these sentences should be served consecutively,
but Judge Russo allowed them
to be served concurrently,
which means that she will be up for parole
in September of 2037.
But without a successful appeal,
this is just where her story ends for now.
Her mother continues to insist
that they do have evidence
that'll exonerate Mackenzie.
And in the Netflix documentary,
she outright claims that the story from July 17th,
where Mackenzie threatened to crash the car
with Dominic in it,
was misrepresented by the prosecution.
She says that she actually has evidence
that showed it was Dominic
who threatened to crash the car.
Not Mackenzie.
Meanwhile, while the documentary aired,
Mackenzie's dad was placed on administrative leave
from his job as an art school teacher.
The parents of the victims have tried their best to heal,
though you can tell from the Netflix doc
that the pain is still very sharp.
Davion's parents raised money for a scholarship fund
that would support another kid
who wants to go to barber school,
just like Davion did.
Throughout this research process, though,
there actually is one point that I do go back and forth on,
and that is whether or not Mackenzie planned this
or whether it was a mistake.
Whether it was a spur-of-the-moment decision,
maybe during a fight that had happened.
If Angelo is to be believed,
Dominic was planning on fully breaking up with Mackenzie,
and maybe she knew it too,
and so maybe she planned this whole thing
as, like the judge suggested, a murder-suicide.
And some people do think that she's the type of person
who would scare the people she loves
into getting what she wants.
During the investigation,
police had interviewed an ex-boyfriend of hers
named Tyler Proctor.
He never testified,
but his perspective on the case,
is interesting food for thought.
He seemed to be of the opinion
that Mackenzie would not have attempted
a premeditated murder on Dominic,
but he did think that she was unstable enough
to try and cause a car accident during an argument.
Take that for what you will.
Some people don't take his opinion to heart
because I think sometimes when exes complain
about how toxic their ex-boyfriend or girlfriend was,
they have to take it with a grain of salt.
But that's really all I have for you today.
Now, I'm turning it over to you guys.
What do you think happened?
You can leave a comment wherever you listen.
And other than that,
I'm going to be back here next week
with another story for you all.
And, you know, until then,
stay curious.
Heart Starts Pounding is written and produced by me, Kayla Moore.
Heart Starts Pounding is also produced by Matt Brown.
Our associate producer is Juno Hobbs.
Additional research and writing by Rob Teamstra.
Sound design and mix by Red Room Creative.
Special thanks to Travis Dunlop,
Grayson Jernigan, and the team at WME.
Have a heart-pounding story or a case request?
Check out heartstartspounding.com.
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Podcast Summary
Key Points:
The 2022 car crash in Strongsville, Ohio, initially appeared to be a tragic accident involving 17-year-old Mackenzie Sherilla, who survived with severe injuries while killing her boyfriend Dominic Russo and friend Davion Flanagan.
Investigative evidence—including cell phone location data, vehicle black box recordings, and social media posts—revealed suspicious patterns of driving behavior, including acceleration to over 100 mph and erratic gear shifts, raising questions about intent and control.
The prosecution argued that Mackenzie’s pre-crash route and post-crash social media content demonstrated premeditation and lack of remorse, while the defense claimed trauma from a long-standing health condition (POTS) caused her to black out and lose memory, though this was contested by evidence and witness testimony.
Summary:
This episode explores the controversial 2022 car crash in Strongsville, Ohio, that killed two teenagers—Dominic Russo and Davion Flanagan—while 17-year-old Mackenzie Sherilla survived with life-altering injuries. Initially perceived as a drunk or drug-related accident, deeper investigations uncovered troubling details: cell phone data showed Mackenzie drove on an unusual route days prior and at the crash time, and vehicle telemetry indicated she accelerated to over 100 mph without braking. The black box recorded repeated gear shifts, suggesting conscious control, not a crash due to loss of awareness.
Social media posts, including a TikTok where she mocks her own "drug resilience" and a Halloween party costume, fueled accusations of premeditation and lack of remorse. Prosecutors argued that Mackenzie’s behavior and digital footprint revealed intent, while her defense claimed trauma-induced amnesia from a long-standing POTS condition. The defense’s claim was undermined by the fact that her mother admitted to concealing the condition during her license application.
At trial, Judge Russo found Mackenzie guilty on all counts, citing intent and route deviations, and sentenced her to 15 years to life, with concurrent sentences. The verdict sparked debate about whether it was a moment of rage or a planned act, with some suggesting it was a murder-suicide during a volatile breakup. Despite claims by Sherilla’s family that evidence misrepresents the events—such as Dominic being the one who threatened to crash—the case remains unresolved in public discourse.
The story highlights how social media, trauma, and witness accounts can shape legal outcomes, and underscores the emotional toll on victims’ families, especially Davion’s parents, who established a scholarship in his honor. While the documentary covers the surface, deeper analysis reveals that the case hinges on unresolved questions about motive, memory, and accountability.
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The FBC warns that a paranatural entity called the 'hiss' can corrupt human minds, causing people to levitate and whisper strange incantations. It advises wearing headphones on public transportation to avoid exposure.
A 17-year-old driver, Mackenzie Sherilla, was involved in a crash that killed her boyfriend Dominic Russo and friend Davion Flanagan. The case became controversial due to conflicting evidence and her social media activity.
Yes, Mackenzie had a prior incident in 2020 when she threatened to take her own life during a fight with her parents, which led to a police report. This raised concerns about her mental health and stability.
Evidence such as cell phone location data, video footage, and witness accounts showed Mackenzie drove an unusual route and had a history of aggressive behavior with her boyfriend, leading investigators to suspect premeditation.
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