This episode of "What Happened to the McStays?" recounts the discovery and investigation of the McStay family's remains. In November 2013, John Bluth, riding his motorcycle in the Mojave Desert, found a bone fragment initially mistaken for a turtle shell. Police confirmed it was part of a child's skull, leading to the excavation of two shallow graves nearby. The remains were identified as Joseph and Summer McStay and their young sons, Joey Jr. and Gianni, who had vanished in 2010. The San Bernardino Sheriff's Department, led by Detectives Eddie Bachman and Ryan Smith, took over the case, determining the family died from blunt force trauma, likely inflicted by a sledgehammer found at the scene. The graves contained items like painter's tape and rags, suggesting the murders occurred at the family's home, which was under renovation. Investigators re-examined old leads and cleared several former suspects, including Joseph's ex-wife's husband, Summer's ex-boyfriend, and business partner Dan Kavanaugh, all with alibis. The focus shifted to Chase Merritt, a welder and business associate, whose suspicious behavior and vehicle movements near the McStay residence on the night of the disappearance made him a prime suspect. The episode highlights the emotional toll on friends and family, who experienced relief at finding answers but were horrified by the brutal reality, leaving the case poised for further developments.
Hi, this is Ashin Singh here with another weekly episode of our latest true crime series from 2020
in ABC Audio, What Happened to the Mixed Days? Remember, you can get new episodes weekly on
Tuesdays if you follow What Happened to the Mixed Days on Apple Podcasts, Spotify, Amazon Music,
or wherever you're listening now. Or you can hear the entire series right now ad-free by subscribing
to 2020 True Crime Plus on Apple Podcasts. Click the link in the description to start your free
trial today. Now, here's the next episode of What Happened to the Mixed Days.
In November 2013, a man named John Bluth took his motorcycle out for an off-road adventure.
It was around 7 30 a.m. on Veterans Day when John rode east up Interstate 15 deep into the
Mojave Desert. At that time of year, the sun doesn't come up very early, so it was kind of getting a full
day. A little bit cool, nice day, and looked like a good day for a bike ride.
John says that on Veterans Day, he thinks about his two brothers,
veterans who have passed away. The day is usually a sad one for him, he says.
On that morning, John took off, headed across the scrubby, sparsely populated land between Los
Angeles and Las Vegas.
I'm heading west on one of these dirt roads over here towards the mountains that you see behind me
there, and I'm looking for the old Spanish Trail.
The old Spanish Trail is a 200-year-old road, a historic trade route that cuts across the
southwestern states, used by settlers heading west. It's now little more than a dirt track
and some stretches, and almost hidden from sight. But John knew where to look.
He turned off the highway and started making his way to the trail.
I was looking around because I'm going very slow, and I saw what I thought looked kind of like an
upside-down turtle shell, and so I stopped because I'm, you know, I'm curious. I took a stick and
turned it over, and it didn't look like a turtle shell. It looked like part of a skull.
John wondered if it was some kind of historic artifact. He took a closer look. If it was a skull,
it was small.
I did turn that over with the stick, but it was no bigger than probably the palm of my hand.
John called the police to report what he'd found.
How can I help you?
Hi. I'm out here on a motorcycle, up behind the dump, and I found what looks like a turtle shell.
It's like a human skull.
Can you give me a location?
Yes.
Okay.
The 911 operator sent an officer to check it out, and John went on with his ride.
I was in suspense. I was wondering, you know, what is that? Is it something ancient? Something new?
It wasn't until a few days later, John said, when he turned on the TV, that he learned more.
It wasn't ancient, but it wasn't new.
wasn't exactly new either.
- On the news, they reported that it was the McStay family
that they had discovered out there in the desert,
that I had discovered.
- Nearly four years and a hundred miles away
from where the McStays had disappeared,
they were finally found.
Just not the way their family and friends were hoping for.
From ABC Audio in 2020, I'm Ashton Singh,
and this is "What Happened to the McStays?"
Episode three, "In the Desert."
The area where John Bluth found the mysterious object
was deep in the Mojave Desert,
inland and north of the McStays' home.
It was over 150 miles away
from where the family's car had been found.
Abandoned at the U.S.-Mexico border.
The location of the find put it in the jurisdiction
of the San Bernardino Sheriff's Department.
San Bernardino is two counties over
from where the McStays lived,
and the family didn't have any obvious strong connections
to the desert.
So when a report of possible human remains came in,
some didn't immediately think it was connected
to the McStay case.
San Bernardino Detective Eddie Bachman
said he hadn't even heard of it.
In 2013, I was working with the San Bernardino County Sheriff's Department
assigned to the Specialized Investigations Division
on the homicide detail.
Detective Bachman says the first people on scene
were local sheriff's deputies from Victorville,
a town a few miles away.
They quickly called for reinforcements,
a coroner, and a forensic anthropologist.
The team confirmed that the biker's hunch was right.
This wasn't a turtle shell.
It was a bone fragment, part of a child's skull.
And nearby, more horrors were discovered.
Once we verified that it was human remains
that were out there, they went out
and they walked the scene a little further,
and they located two shallow graves
a short distance from where the skull was located.
Two graves.
And inside those graves were more human remains.
That's when Detective Eddie Bachman's homicide team was called.
And Bachman went out to the grave sites himself.
One of the things he says he noticed right away
was how close to the main road they were.
And the way that the graves were located,
it was down inside of almost like a wash area.
So if you were standing at the graves,
you could see portions of the freeway,
and it was probably, I would say,
half a mile to a mile away from the exit to the freeway there.
The graves themselves were shallow.
Investigators would determine that some bone fragments,
that some bone fragments were buried only six inches deep.
Investigators collected the bones
from what they labeled as Grave A and Grave B,
and sent them for analysis.
Within days, the results came back.
This collection of skeletal remains
was confirmed to be what was left of the McStay family.
The bones in Grave A belonged to Joseph McStay
and three-year-old Joey Jr.
And Grave B was Summer and their older son, Gianni.
According to their report,
detectives suspected animals had disturbed the graves.
The bone found by the biker was part of Joey Jr.'s skull.
And there were other items in the grave, potential clues.
Joseph McStay was wrapped in a woven blanket.
He also had an extension cord that was wrapped around his neck,
and it had gone down to his ankles.
Near Summer's remains,
investigators said they found black squares,
found black sweats,
and the left cup of a bra, spattered with paint.
Near Gianni, they found a small pair of blue pants,
a pull-up diaper, and a kid's backpack.
Inside of the grave with Summer and Gianni,
there were some other items, a cell phone holder,
and then ultimately after the victims were removed from there,
we located a Stanley sledgehammer
underneath where the victims were placed.
John Bluth, the biker, discovered the skull
fragment on a Monday.
By Friday, the 15th of November, 2013,
investigators were ready to share the news with the world.
The McStays would never be coming home.
And while their friends and family had searched for them
for years, someone out there had known exactly where they were
the whole time.
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four days after the skeletal remains were found the san bernardino county sheriff's department
held a press conference in a well-lit briefing room relatives of the mixed days sat at a long
table many of them wearing sunglasses and periodically wiping away tears from underneath
them sheriff john mcmahon stood at the podium and addressed the room he told reporters that
investigators had found the remains of joseph and summer mixed day in two shallow graves
they'd also found the remains of two children the sheriff
said they presumed that it was joey jr and gianni but by the day of the press conference
they hadn't confirmed the identities of the children yet their dna evidence is on file
with doj and we will be sending that information to doj for positive confirmation investigators
said that the autopsies would be completed by the end of the day and while they weren't yet
willing to share details of the cause of death they did tell reporters that this case
was no longer a missing persons investigation it was a homicide michael mcstay joseph's
brother was invited to speak we're going to find this individual of individuals i know
that the sheriffs the fbi everybody wants to bring this to justice michael told reporters
that his family was grateful for the support they'd received and asked for privacy as they
grieved
in footage from the event
he looks exhausted and on the verge of tears
it's not really the uh the uh outcome we were looking for but um it gives us courage to
know
that they're together
and they're in a better place
that was such a
hard day um to see michael on the press conference barely holding it together gina watson a friend
of joseph mcstay had been working to help track down where the mcstays had gone she stayed
in close contact with patrick mcstay joseph's father patrick and i both thought we would
just go to our grave never knowing what happened to them like we had kind of given up i'm not
that we gave up searching like for god's sake we were still probably not every night looking
at things but you know going back and forth on things he was at least able to find out
what happened but what a terrible thing to have found out happened that all of your fears
came true
lawrence hemingway was a surfing friend of joseph's i remember thinking at least they're
going to find who did it soon after the bodies were found a paddle out was organized in joseph's
honor
it's a surfing tradition where out there you're going to find who did it you're going to find
where, out in the ocean, surfers form a circle on their boards.
They often hold hands and remember the dead.
Lawrence was there.
Joey's paddle out was probably, from what I remember, about 50 people.
It was at the San Clemente Pier.
Perfect weather, perfect day.
In news footage from that day,
we can see the surfers sitting out in the ocean wearing floral necklaces
in the style of Hawaiian lace.
Sometimes in a paddle out, everyone goes around the circle
sharing stories about the person who's not there.
Just your grief and the ocean.
It was really neat. It was very touching.
The same day as the paddle out,
there was also a memorial service at a local church.
I mean, I've never, would have never in a million years
ever have thought that they would have disappeared
and their lives be ended like that in such a horrific way.
Jesse Silveria, a friend of Summers,
had also waited for news of the mixed days.
There's not a word bad enough to be able to say
how devastating it was to find out that information.
And then waves of sadness come and waves of devastation.
Come and us as friends, you know,
would get together and just cry and sob together
over what happened to them.
For some of the friends who'd waited so long for answers,
they said there was a sense of almost relief
just in knowing something after all this time.
But Jesse said that relief was short-lived.
It was the one big answer
to all the questions we had for all those years.
And then another whole set of new questions
and unanswered questions began to happen.
Because how could somebody overtake a family of four
and do that to all of them?
Was it a stranger or was it somebody that knew them?
Gina Watson again.
She'd been trying to help to get to the bottom
of the mixed days disappearance since 2010.
Back then, the case had been investigated
by the San Diego County Sheriff's Office.
As a missing persons case,
detectives said they had exhausted all possible leads.
They later handed the case over to the FBI in March of 2013.
But now, seven months later,
San Bernardino investigators had bodies
and grave sites to investigate.
Detectives started trying to piece it all together,
when you have multiple homicides,
it's always going to be a big deal.
Ryan Smith was a homicide detective
working in the San Bernardino Sheriff's Department.
As the question of what happened to the mixed days
began to resurface,
he was assigned to the same San Bernardino investigation team
as Detective Eddie Bachman.
For Detective Smith,
the case quickly became personal.
I had young kids at the time
and you know that there's, you know,
there's a lot of people that are, you know,
there's a lot of people that are, you know,
there's remains of young children in the graves.
And so that's something that is just,
it's alarming and it's upsetting
because, you know, who kills children?
Smith started digging into the reports
made by the grave site investigators.
What clues could the bodies
and the items they were found with reveal?
Especially with graves,
we're going to want to see what was left over, right?
That's the name of the game of any investigation.
What got left behind that we can try,
try to find to help solve the crime.
Now, unfortunately,
especially with the mixed days in that grave,
you know, they were in the ground for three years.
Detective Smith says,
those years in the ground
meant that it was harder to collect evidence.
DNA was less likely to be present.
The remains were now skeletal.
There's no soft tissue left
that would normally reveal something
about the manner of death.
But once the autopsies were complete,
San Bernardino investigators
were able to determine how the mixed days died.
The coroner did their autopsy
and they determined that the causes of death
were blunt force trauma.
According to police,
Joseph's skull had a large indentation.
A bone in his leg was badly broken.
Summer's skull was severely damaged,
suggesting that someone had hit her head several times.
Investigators were able to compare the injuries
to the size and shape of the three bodies.
The murder weapon was a two-pound Stanley sledgehammer
that they found in Grave B.
They thought it was a match.
Establishing a murder weapon
was a step forward for the investigation,
but it only added to the horror of the case
for Detective Smith.
You know, this wasn't a drive-by.
This wasn't someone who, you know,
unfortunately got struck or became a victim
because they were in the wrong place, wrong time.
This was up close and personal.
And the graves had more to say.
Smith reviewed the old case files from 2010
and discovered information in them
that helped him make sense of the other items
found with the remains.
In the graves, we found blue painter's tape.
We found woven fabric.
And when we reviewed pictures
that were taken of the McStay's residence,
what we saw is that the house was under construction.
There was blue painter's tape.
There were rags.
Remember, Summer and Joseph
had been in the middle of renovating their house.
Right when they went missing,
they were painting the walls.
Detectives wondered if this meant
that the family had been killed at home.
There were no shoes in the graves.
Also, you know, you're probably not going out without shoes.
You know, there's no wallets.
So it really led us to believe
that the family wasn't out traveling.
They weren't doing something and then abducted.
You know, they were at home.
The details as they emerged,
were hard to hear for the people who knew the family.
Like Gina Watson.
You think about what they possibly saw or feared.
You think about. As a mother, wanting to protect those children.
And it's heartbreaking. It really is.
The brutality of their murders only added to the confusion around the McStay's deaths.
Who would want to kill this young family?
Detectives wondered if the answer lay buried in the old case files before them.
Was there a person previously questioned that might now have more to say?
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Detective Ryan Smith says that the San Bernardino Sheriff's Department
was given over 4,000 pages of case files.
Investigators reviewed old interviews that San Diego had done
and combed through old documents.
But a homicide investigation is different from a missing persons case.
San Bernardino wanted to conduct new interviews.
Some of them with people who had already spoken to San Diego years before.
Now we know this isn't a family that just went on vacation and didn't tell anybody.
This is a family that got murdered.
So information they may not have thought was important during a missing person's life.
person's investigation is very important for us. Investigators made a list of everyone San Diego
had spoken to. We put them all on a big board and then we did our research about them, you know,
what they did, where they lived, all that stuff, and then we would go out and talk to them. In the
San Bernardino police report, detectives mentioned four people. All of them had been close to the
McStays at some point in their lives. First was Michael McFadden. McFadden was married to Joseph
McStay's ex-wife and was stepfather to Joseph's oldest son. According to the report, detectives
had learned that McFadden and Joseph used to be friends. But Detective Bachman said that in the
months before the family's disappearance, things weren't good between them. There were some issues
between Michael McFadden and the McStays.
Just over some stuff to do with the children.
Detectives met with Michael McFadden. They told him everyone's a suspect until San Bernardino says
they aren't. He was frustrated that he was being looked at as a suspect, I think, which is
understandable for anybody. However, he was very open to us when we interviewed him and provided
the records to say, hey, I wasn't in the area. San Bernardino investigators cleared Michael McFadden
of any involvement in what happened.
Next was Vic Johanson. Police reports say Vic and Summer had dated for around five years. As Vic and
Summer's relationship was coming to an end, that's when Summer met Joseph. And when Gina searched
Joseph's email, she said she found something that concerned her. An email Summer had forwarded to
Joseph. A message from Vic to Summer right before the McStays went missing. It said,
I love you forever.
Happy birthday, Summer, forever and ever. It was just odd.
Vic had a criminal record. He had pleaded no contest to a charge of making criminal threats
to a neighbor in 2004. But when detectives interviewed Vic, he said he didn't know where
the McStay family were living at the time they went missing. And when detectives pulled his
cell records for that period of time, it showed that his phone was out of state. Detective Smith again.
We were able to contact him.
We were able to verify his whereabouts. And it excluded him from the list of suspects.
San Bernardino investigators were also taking a close look at Joseph's business associates,
Dan Cavanaugh and Chase Merritt. Dan, again, was Joseph's business partner in their decorative
waterfall business. He was the company's webmaster, responsible for their company's website
and online marketing. Chase, remember, was a welder who worked with the company.
He was the one who built the towering structures made of glass and steel.
At the time Joseph went missing, he and Chase were in the middle of some lucrative custom projects,
including one in Saudi Arabia. San Diego investigators had interviewed Dan Cavanaugh
back in 2010, soon after the family disappeared. They had questioned why he'd removed funds from
the company PayPal account after the family went missing. Dan had explained that the money, around
$7,000, was not enough to pay the family's rent. He had also said that the money was not enough to pay the family's rent.
San Bernardino investigators were also taking a close look at Joseph's business associates, and they were also asking if they could help him. The detectives were satisfied.
There was no evidence tying him to the family's disappearance. San Bernardino detectives were
interested in Dan and Joseph's business, and an instance of some seemingly bad blood between them.
There was a string of messages between the two men, months before the family went missing.
The messages show an angry Dan, threatening retaliation against the business.
Gina Watson, who had access to Joseph's emails, came across the back and forth between the two men.
Oh yeah, here's the big part.
It will be about 30 days from today that your site is gone from the search engines if you
just want to ignore me. Joseph says why is that? Why not? You treat me like a kid,
like I'm dumb or some. One, your site will be gone from the engines. Two,
I'll make my own fountain site. And three, I don't need it anyway. I'm killing it on other.
Joseph says, "I, Summer, and kids know the real you and what you would potentially do
to harm me and my family. You're a great guy, Dan. F-ing sad."
That just sounded like a fake answer to me. That was not being accountable,
and that was just dodging accountability. That was
not being real, you know? All I'm saying is that I can stop the marketing to the site.
This is Dan Kavanaugh. In an interview with ABC News, he admitted that it did sound like a threat,
but he said Joseph left him no other choice.
That's all I could do at that point, to make him take it seriously.
Detective Ryan Smith.
As you read the messages, you see that he's threatening to remove the site, and that's Joseph's
livelihood.
Dan Kavanaugh says that the interaction with Joseph didn't come out of the blue.
As business partners, he and Joseph had an agreed split of profits
and responsibilities. Customers would order through the fountain website,
which Dan maintained and promoted. Joseph would handle customer communication, and when necessary,
Joseph would contract Chase Merritt to fabricate custom fountain orders. But around this time, Dan
said he started to notice something strange happening. He said their website's rankings
were up, but their online sales numbers weren't. I had a new girlfriend that I got, and I was like,
I need more money to support this hot girl. And so I'm like, but I thought I already created a
business that should be making me enough money to support this. And so then I was like, I started
putting two and two together. I'm like, maybe I do have that company, but it's just, I'm not
getting the money from it. Dan said that he could see in shared company spreadsheets that there was
other customer orders, ones not made through the website. It looked to Dan like Joseph had contacted
potential customers who had made inquiries through the website and back-channeled with them. Dan
accused Joseph of trying to exclude him from the profits and keep it all a secret. Dan said that's
what his heated messages to Joseph were about. He thought Joseph was withholding money from him,
and the website was Dan's leverage. I had ways that I could deal with it. They weren't violent
ways, and I put them out in the open. I'm like, hey, dude, I'm going to do something about this,
and I'm going to do it related to the business. Dan said the situation affected his friendship
with Joseph, but it didn't go further than that. It's like demoralizing for me to see that,
you know what I mean? But I'm not like, I'm going to kill someone or something like that.
I just, I think more like non-violently, my grandpa taught me to use my brain,
and he didn't teach me to use violence to solve things. Dan told detectives in 2014 that out of
three years of his life, Joseph was the only one in the world to have been a victim of violence.
After he confronted Joseph, Joseph had agreed to pay him back. He said that even after this
disagreement, he and Joseph had a good relationship, that they still talked every day.
Dan also told detectives that he had wondered, while the McStays were missing,
He said he could see Joseph treating another person the way he'd treated Dan.
Maybe someone, quote, who wasn't as nice as me.
So Dan was adamant that he was not anywhere in the area at the time the family went missing.
Detective Bachman confirmed Dan's alibi with a window of time when the McStays went missing.
During the investigation, we ended up interviewing Dan's ex-girlfriend,
who had a strained relationship with Dan,
but she was able to corroborate the fact that he was out in Hawaii with him at the time that the family went missing.
In the end, San Bernardino investigators cleared Dan Kavanaugh of any involvement in the McStay murders.
As detectives ran down their list of names, all of them could be cleared.
All except one.
As you exclude people, you know, there's only one person left.
Well, where's Chase?
Chase Merritt, the man who welded the fountains for Joseph and Dan's business.
The man who said he'd seen Joseph the day the family went missing.
As investigators did a deep dive on the timeline of the McStays' disappearance,
Chase Merritt looked increasingly suspicious.
What's that, Chase? It looks very bad for you right now?
I bet you're lying about this stuff.
Why would Chase's vehicle be leaving the McStays' home?
day residence, you know, on the night that they did disappear. Did you kill the McStay family?
What Happened to the McStays is a production of ABC Audio in 2020, hosted by me, Ashan Singh.
Produced by Madeline Wood, Vika Aronson, Audrey Mostek, and Kiara Powell. With help from Sabrina
Fang and Camille Peterson. Edited by Gianna Palmer. Our supervising producer is Susie Liu.
Music by Heaven Viola. Scoring by Kiara Powell. Mixing by Heaven Viola and Bob Mallory.
Special thanks to Katie Dendas, Janice Johnson, Chris Donovan, Joseph Rhee, Sonny Antrim,
Alyssa Stoller, Xander Samaras, Tom Burman, Indra Dalesaha, and Blue Browning.
Josh Cohen is our director of podcast programming.
Eamon McNiff is our executive producer.
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Podcast Summary
Key Points:
In November 2013, motorcyclist John Bluth discovered a small skull fragment in the Mojave Desert while riding near the old Spanish Trail.
The remains were linked to the McStay family—Joseph, Summer, and their sons Gianni and Joey Jr.—who disappeared in 2010; they were found in two shallow graves over 150 miles from where their car was abandoned.
San Bernardino Sheriff’s Department took over the case, confirming the deaths as homicides caused by blunt force trauma, likely from a Stanley sledgehammer found in one grave.
Investigators reviewed old case files and re-interviewed suspects, clearing several individuals, including Michael McFadden, Vic Johanson, and Dan Kavanaugh, due to alibis or lack of evidence.
The investigation increasingly focused on Chase Merritt, a business associate and welder, whose timeline and vehicle activity near the McStay home raised suspicion.
The discovery brought closure to friends and family, but also new questions about the brutal nature of the murders and the motive behind them.
Summary:
" recounts the discovery and investigation of the McStay family's remains. In November 2013, John Bluth, riding his motorcycle in the Mojave Desert, found a bone fragment initially mistaken for a turtle shell. Police confirmed it was part of a child's skull, leading to the excavation of two shallow graves nearby.
The remains were identified as Joseph and Summer McStay and their young sons, Joey Jr. and Gianni, who had vanished in 2010. The San Bernardino Sheriff's Department, led by Detectives Eddie Bachman and Ryan Smith, took over the case, determining the family died from blunt force trauma, likely inflicted by a sledgehammer found at the scene.
The graves contained items like painter's tape and rags, suggesting the murders occurred at the family's home, which was under renovation. Investigators re-examined old leads and cleared several former suspects, including Joseph's ex-wife's husband, Summer's ex-boyfriend, and business partner Dan Kavanaugh, all with alibis. The focus shifted to Chase Merritt, a welder and business associate, whose suspicious behavior and vehicle movements near the McStay residence on the night of the disappearance made him a prime suspect.
The episode highlights the emotional toll on friends and family, who experienced relief at finding answers but were horrified by the brutal reality, leaving the case poised for further developments.
FAQs
John Bluth, a motorcyclist, discovered a skull fragment while riding in the Mojave Desert in November 2013, which led to the finding of the family's remains.
The remains were found in two shallow graves in the Mojave Desert, about 150 miles away from where their car was abandoned at the U.S.-Mexico border.
Investigators used DNA analysis to confirm that the skeletal remains belonged to Joseph, Summer, and their two sons, Joey Jr. and Gianni.
The autopsies determined that all four family members died from blunt force trauma, likely inflicted with a two-pound Stanley sledgehammer found in one of the graves.
Initial suspects included Michael McFadden, Vic Johanson, Dan Cavanaugh, and Chase Merritt, all of whom had connections to the family.
Dan Cavanaugh was cleared because his ex-girlfriend corroborated that he was in Hawaii at the time of the family's disappearance.
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