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The Mountain

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The Mountain

In January 2025, Thomas Plamberger and Kristen Gertner attempted to summit Grossglockner, a 12,000-foot peak in the Austrian Alps, during winter. Though both were physically fit, Kristen had limited winter mountaineering experience, and Thomas, who had climbed the mountain before, took on a leadership role. Despite warnings about dangerous weather conditions, including strong winds known as "Phone Wins," they continued their climb, reaching a critical resting point at 11,600 feet. As night fell and temperatures dropped to 17°F with gusts up to 45 mph, Thomas decided to leave Kristen behind, claiming she was exhausted and that moving was necessary. He failed to shelter her or use emergency supplies like a tent or blankets. A police helicopter passed them without receiving a distress signal, and Thomas did not respond to follow-up calls, even though he had previously told officers he was not in immediate danger. The next morning, rescuers found Kristen dead from hypothermia and pneumonia. Austrian prosecutors argued that Thomas, as the more experienced and leading climber, had a legal duty of care as a "guarantor" under Austrian criminal law. At trial, the judge found him guilty of gross negligence, ruling he had "galaxies" more experience than Kristen and failed in his duty to ensure her safety. Though not convicted of murder, the verdict emphasized that leaders in risky activities must balance personal limits with others’ safety. Thomas was sentenced to five months in prison and fined €9,600 and has appealed. The case has sparked broader awareness in mountaineering communities about accountability, decision-making under stress, and the unspoken rules of group safety. It marks the first time Austria has prosecuted a mountaineering death for negligence, signaling a shift in how such risks are viewed legally and ethically.

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Stop managing software and start managing your business with one unified system. Try for free today at odu.com/box. That's odlo.com/box. Tell me about the decision to go mountain climbing on January 18th, 2025. Who was the idea with that? That depends on who you ask. How experienced were they at mountaineering at climbing? That also depends on who you ask. In late 2024, Thomas Plamburger and Kristen Gertner had been dating for almost a year. Thomas was 36 years old and a professional chef in Salisburg, Austria. Kristen Gertner was 33 and worked at an office in the same city. They'd met on Tinder and it started to talk about moving in. In January, they were going to go on a trip together. Thomas and Kristen were planning on summoning Gertner, which is the largest mountain in the Austrian Alps. New York Times reporter Jonathan Wolfe. And they decided to take the most dangerous route, which includes sort of like this really sort of rocky arched climb to the summit. A climbing tour company warns people that to take this route, you need to be in very good physical shape and have some rock climbing experience. An experienced mountaineer told the BBC reporter that in bad conditions, trying to summit Grosglockner can feel like fighting to survive. Grosglockner's peak is over 12,000 feet above sea level, more than 7,000 people climbing every year. On January 18, 2025, Kristen and Thomas began their climb of Grosglockner at 6.45 am. They had backpacks with ropes, emergency blankets, a tent, and headlamps. Kristen had brought a split snowboard. She planned to use it to descend the mountain after they reached the summit. They were planning on it being an overnight hike, so it was going to be a very long day. Some mountain guides break the trip up into two days, a day to reach the beginning of the ridge, and then a second day to get to the peak. Around 1.30 pm, Thomas and Kirsten arrived at a resting point, known as the breakfast spot, about 11,600 feet above sea level. And this was kind of like a point of no-rupt turn before the summit. Like a lot of times people, if they don't get there at a certain time, they might end up turning back, but it's definitely a moment where you sort of rest for a moment and check in and see if you're going to continue. And mountaineers, I spoke to, said, you know, that's definitely a point where a lot of times they make their clients rest, whether or not they want to. Thomas Plamberger said at this point, he and Kirsten didn't feel tired, so they kept going. It seems like there were some hikers who saw them on the mountain, including one hiker who said that he hiked with them for a little while, a little stretch, and he said that Thomas was, you know, sort of looking after Kirsten, checking in on her. How did people say that Kirsten was doing at that point? They said that she looked like she was doing fine, and she was in struggling, and seemed like a pretty normal hike to them. At nightfall, at around 5 pm in winter, Thomas and Kirsten were still climbing. But an hour and a half later, their headlamps were visible on a webcam that live streams a view of the top of the mountain. We can see their lights sort of slowly making its way up the mountain, and it's the only light that's on the mountain. So, you know, there's possible there's other people not using lights, but it seems like they were the only two people on the mountain. Their plan was to climb to the summit in the dark. Mountaineers that I've spoken to said that that's actually not out of the ordinary. Like, it's definitely riskier. You'd need to be of a certain level, but people do climb this mountain at night, and it seems like they just a little bit more slow going, and they were sort of stuck on the mountain, and the weather turned quite bad. There was a weather pattern that the locals called the Phone Wins, which can really bring like really intense, cold, blustery winds to the peaks of the Alps. And from mountaineers that I spoke to, they were actually aware that this was happening on this day, so they said that they basically chose not to summit the mountain. At around 8pm, they stopped for an hour and a half. Their climbing rope had gotten stuck, and then Kirsten heard her hand. At 10.30pm, an Alpine police helicopter went to check on Thomas and Kirsten. The helicopter passed them about six times. And they did not signal for help the helicopter left. Around this time, Alpine police also tried to call Thomas. His phone number was listed on his climbing permit, but he never answered the phone. Later Thomas Plamburger said he had not realized his phone was ringing, because it had been set to vibrate. But Thomas says that soon after the helicopter left, Kirsten, quote, suddenly showed increasing signs of exhaustion. About a half hour past midnight, Thomas called the police. And there's real debate about what happened during this phone call. Thomas says that he was convinced that police were aware that a rescue was needed, and that he wanted them to send a helicopter. The police, on the other hand, said that Thomas in this moment told him that everything was fine, and so they did not start a rescue procedure. And then, for three hours, no one heard from him. I'm Phoebe Judge, this is criminal. Alpine police attempted to get back in touch with Thomas Plamburger by phone, and then by texting him on WhatsApp. One officer wrote, "Do you need help now or not?" They didn't get a response. In his WhatsApp, it appears it has like the two checkmarks or whatever it was delivered. We don't know if it was red, but it was delivered. When he had spoken to the police earlier, Thomas says they told him the best thing was for them to keep moving. Because if you stop in a very cold environment, there's a chance that it'll be worse for you. Basically, you'll start to lose energy, you'll start to lose warmth in your body. So he was in the impression that he needed to keep moving, and so that's what he told Kirsten after the phone call that they needed to keep moving. That night, the temperature dropped to 17 degrees Fahrenheit, but felt even colder with the wind show. The wind would have been very strong at this point, because when you get towards the peak of Crossglockner, it's really exposed. So a lot of the winds that might have been blocked off in other areas as you're climbing the mountain, that's no longer the case here, just completely exposed, and it would have been very cold at that moment. They made it to just below the summit, where they stopped for about an hour and a half. Thomas says that at that point, Kirsten was too exhausted to move anymore. He set it around 2 a.m., he and Kirsten agreed that he should try to get down the mountain by himself, to try and get help at one of the refuge huts. At around 3.30 a.m., Thomas Plamburger called the police again, and told them that he was on his way down, and that he had left Kirsten behind. He asked if they could send a helicopter for her. But the wind had been picking up speed all night, by then it was blowing up to 45 mph, and they told him it was too dangerous for a helicopter to fly. Thomas told police where he had left Kirsten. The next day, a rescue crew headed up the mountain. On 10 a.m., they found Kirsten. She was dead from hypothermia. Kirsten's family held her funeral nine days later. The notice read, "Our lives are in God's hands. If it is his will, then do not grieve for me. But remember me, with love." Kirsten's mother later said that she had to lose her life precisely where she felt so alive is almost incomprehensible to me. Thomas wrote on Instagram, "It hurts so incredibly much." And then, almost a year later, Austrian prosecutors filed charges against Thomas Plamburger for grossly negligent homicide. aside. Prosecutors said that Thomas was the more experienced climber and should have been a guarantor of Kirsten's life. It's called Karantenstellung. Verena Morchitz is a professor of criminal law at the University of Innsbruck in Austria. A guarantor is somebody that is responsible for another person and where you mostly need this term is when you have a crime committed by omission. Like it's easy to say if I commit a crime by action like I do something I hit somebody then it's clear I am the one responsible for hitting somebody but if a crime is an omission it's failing to act with due diligence. In Austria this charges typically used in things like a car accident or you know maybe a parent who's not giving the correct care to their child or in the mountaineering context it can be used in certain situations where you hire a person like a guide that is responsible for you to take care of you and to look after you. But you can also be a guarantor as a leader out of courtesy where you don't have a contract you don't get paid for it's non-commercial but it's just out of courtesy and as such you're a guarantor and also responsible for outcomes or let's say negative things happening to the individual that you're responsible for. How big of a deal was it in Austria? Was everyone talking about it? Yes a lot of people were talking about it I mean where I am we have all these mountains where we have a lot of alpine tours a lot of people come and pay guides to walk up the mountains basically with this piece and there's a lot of people that do tours together like you know friends that go up the mountains together so I think for that reason many people talked about the case and said wow look at this case this is happening what's going to come out I think we actually haven't had a criminal case like this before we'll be right back to listen without ads join criminal plus Support for criminal comes from NetSuite making sure your business keeps up with the competition can be complicated NetSuite next can make things simple NetSuite is the AI-powered business management suite that securely connects all of your data it's trusted by over 43,000 customers NetSuite next is the next big leap in how business gets done because AI is built into everything you do it automatically shows you custom 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sure that both of us would properly equip properly experienced john leach is a survival psychologist he was a mountaineer an emergency mountain rescuer for years she was going to a high level she'd never been to before in winter at night now Thomas he'd been up at that altitude before only been on that sort of Bruce before so really he should have stepped in right at the beginning and made sure that she was properly equipped properly kicked it out and if they were going to go and do that at that altitude in winter at night then i would have basically insisted that she does it in daytime beforehand you know quite some time before and build up experience for that on that terrain in that area under those conditions and then build it up gradually once you know and you've got a feel for the root you know where the top is you can do all that then you go for the big one and do it in winter at night so there's a number of failures here before she's even set off a mountain guide on grassglockner told reporter Jonathan Wolff that he's seen more clients than he used to trying to summit challenging mountains without getting used to the altitude or continuing even when the weather is bad the prosecution also said that Thomas and Kirsten left two hours too late Thomas had not considered how short the day would be in winter and how early night would come prosecutors said Thomas also should have noticed that Kirsten wasn't wearing hiking boots instead she was wearing soft snowboarding boots other errors include Thomas not turning back when the weather got worse Thomas not signaling for help before it got dark and Thomas being unreachable after he'd called police finally they said that when Thomas left Kirsten at the summit he had not moved Kirsten to an area protected from the wind or used any of their emergency equipment to keep her warm they had a small tent and emergency blankets that you can use if you get into trouble and they said that you know she wasn't in the tent the blankets weren't used and there'd been more than one person I'd been involved in with a mattress rescue where we've recovered somebody who's got a backpack full of survival kit but he's not used any of it and they say what's a survival kit I'll stick it in my bag and they go off but they've never used it let me even open it at times John Leach says he's never left someone behind to get help he says it's part of an unspoken code the international climbing and mountaineering federation says that climbers should be prepared to make compromises in order to balance the needs and abilities of all the group emergency dispatch operators often advise climbers to stay with their companions instead of leaving for help but there aren't any official rules for mountaineers about what to do in emergencies and you know mountaineers that I spoke to said it's just never an option to leave someone by themselves on the mountain and then at the same time like there's rescue workers that I've spoken to are also mountaineers and they were saying it was hard to put yourself in the mindset of a person who's undergoing an emergency in cold weather where you're under stress and it's dark and they were just sort of unwilling to pass judgment on that saying that you know we can look back at things and make judgments but in that moment it can be really difficult to understand what the best course of action is John Leach says at high altitudes people have a harder time making decisions you can get cognitive impairment occurring around about nine ten thousand feet particularly in the skills of decision-making and logical reasoning if things are not going well then your ability to focus gets diminished as well so you find yourself being distracted and you're not concentrating and that's when mistakes happen when people start to get clumsy and they're switching off from the major things which afterwards you know they rescue successfully they look back and I've heard so many people say this so many survivors they say you know why did I do that? How far you can think ahead it's severely diminished under pressure and you get tied in more and more to the present moment [BLANK_AUDIO] I can't see a future, then you're not going to respond to that future. But true panic is very, very rare. And usually if it does occur, it tends to occur on an enclosed basis. The most common trigger is if you're in a place, you know that your life is under threat. You know there's a chance of escape, but you also appreciate that that chance of escape is diminishing. So for example, if you're in a notion line or that it's sinking, you very, very get panic outside, true panic. You do get this confusion of bewilderment, and people running around, flapping, you know, like a bunch of penguins on steroids, all flapping no flying. Thomas Plamberger's trial was scheduled for February 26th at a courthouse in Innsbruck. There would be no jury. The verdict would be decided by a judge named Norbert Hofer, who also worked part-time as an emergency mountain rescuer. He has a special competence, so all the mountain cases go to this judge. Marina Morshatz. Like we have judges that are assigned specific cases, like let's say corruption cases, what not. And he's assigned all these alpine cases because of his knowledge, because of him understanding the difficulties that one faces. Marina says that prosecutors would need to prove to the judge that Thomas was the more experienced climber, and had been the one in charge. The judge tried to find out if the defendant was in reality more experienced. So he talked about what are the climbing techniques that he used, what are the climbing techniques that he uses. Like he went into professional discussions with him to figure out what did he know about alpine climbing techniques. But Thomas testified that he had no alpine training whatsoever. He said he wasn't a professional mountaineer. He had taught himself through trial and error, and watching videos online. But he had climbed Grossglockner before. He testified that he and Kirsten had planned this trip together. That Kirsten loved mountain climbing, and was physically very fit. They had climbed another parts of the alpine together. But while they were planning their trip, Kirsten wrote an email to Thomas, "I completely lack experience when it comes to winter tours." The prosecution called a police officer to testify. The officer said that Thomas had told him that he had been the main planner for this trip. Another officer testified about taking Thomas' call just after midnight. He said that at that point it wouldn't have been difficult to start a rescue operation. But it wasn't clear that they needed one. He said that, quote, "that was definitely not an emergency call." Thomas had put his phone on silent after speaking with the police. When Thomas was asked why he had put his phone on silent, he said he was trying to save the battery because he hadn't brought a power bank. Thomas said the change in the weather had taken them by surprise. He said that lower down on the mountain, the wind had been non-existent, but had gotten stronger the higher they went. Thomas also spoke about his last conversation with Kirsten. So he said that during their tour because of the weather, it was sometimes hard to understand each other at certain moments, but he said that when he left her that she was in relatively good condition and she was clear, she was responsive, she was exhausted, but she was clear and she told him to go and that it was a mutual decision. Thomas said he tied Kirsten to a rock before he left. He said he didn't have an explanation for why he had not sheltered her more. She testified that the last thing she said to him was go on your own and save your own life. We'll be right back. 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At Thomas Plamberger's trial, the prosecution presented photos of how Kirsten Gertner had been found by rescuers. Thomas had said he had left her near the summit, but it appeared that she had fallen. She was about 150 feet from the summit and she was, quote, "hanging from a rock face," her feet dangling. A doctor testified that Kirsten had died from hypothermia. He had also found that she had pneumonia at the time of her death. But it was not clear if that had contributed to her exhaustion. The prosecution also presented data from Kirsten and Thomas' smartwatches that they've been wearing on the mountain. They said it showed a clear decline before the police helicopter went to check on them. Kirsten Gertner's mother, Gertroud, also spoke at the trial. She said she didn't blame Thomas for Kirsten's death. She told a German newspaper that she was angry that Kirsten is being portrayed as a stupid little thing. Her mother said that Kirsten loved the outdoors and that she had plenty of climbing experience on her own and with Thomas. And she was very intent on making sure that Kirsten wasn't seen as a weak individual who had no agency in this. And she really defended her daughter in terms of her strength and she seemed like she didn't want her to come off as a weak person. Gertroud told her reporter many people who blame Kirsten's boyfriend have never been in such a situation. I hope they never find themselves in such an exceptional situation because nobody knows how they'll react then. It's easy to be a hero in the comfort of your own home. Near the end of the day, the prosecution called a woman named Andrea Bergenner to the stand. An ex-girlfriend of Thomas' and they had dated a few years prior. Andrea Bergenner told the judge that Thomas had also taken her on a trip to Grossglockner a few years earlier. The way she described it, she said that they were descending the mountain at night and then she said that during the climb they had been arguing and that she wanted to take a shortcut down the mountain. She said that she was exhausted and her headlamp had just run out of battery and then she lost sight of Thomas. And that's the moment that Thomas apparently left her. She screamed, she felt dizzy and you know at that moment she realized she was completely alone. Then she said from then on they didn't go on any hikes together. The trial lasted 14 hours. At the end of the day, at around 11 p.m., the judge issued his verdict. He said Thomas was guilty. He said that he had "galaxies" more experience than Kirsten. But that he did not see Thomas as a murderer. The judge said you're an excellent alpinist but someone who finds it very difficult to make the switch between your own limits and those of others. You know, he acknowledged that. Thomas lost someone very close to him in his life. But then he also was pretty firm about condemning him for certain actions he took during the climb. He said that, you know, Kirsten really put herself in his care and really trusted him to bring her to the summit and back down safely. And in the end, he said very bluntly, you know, if you would have acted differently, he strongly assumed that Kirsten would still be alive. Do you think this verdict will have an effect on mountaineering regulations? I think in practice, it will have an effect insofar as I think people will be more conscious about if you go with another person or if you go into a group, you go as a group and do these activities and one of you is better than the others. And one of you resumes the role of, yes, I'm planning the trip. I'm going to check out the route we're going, I'm going to decide when we're going to start. And I'm going to be the one that during the trip figures out how sensible is it to move on or how sensible is it to abort friends that do a tour. I think they haven't been aware of the fact that they could be responsible. And that I think will change now because people realize if I as the expert on the mountain take my friend, that is no expert and ask him, let's go do this trip that I can be criminal or responsible. Thomas Plamberger was sentenced to five months in prison and a fine of 9,600 euros, about 11,000 dollars. He told the judge, I am infinitely sorry for what happened. He's filed an appeal of the verdict. Here's this woman that I've been dating a brief time. I invite her on this trip. It's supposed to be luxurious and fun. And now we're in this situation, contemplating terrible things. On our other show, this is love, another story of a couple on a mountain. It's just a wall. There's no ledges. You're trapped. So many things would have to go wrong for nobody to notice we're gone. So I just had confidence that there's no way this many things can go wrong in a row. You can listen to that story right now on this as love. Criminal is created by Lauren Spore and me. Nadia Wilson is our senior producer. Katie Bishop is our supervising producer. Our producers are Susanna Robertson, Jackie Cigico, Lily Clark, and Lena Silicin. This episode was fact checked by Katie Cedarborg. Our show is mixed and engineered by Veronica Seminetti. Julian Alexander makes original illustrations, a pre-che episode of Criminal. You can see them at ThisIsCriminal.com. And you can sign up for our newsletter at ThisIsCriminal.com/newsletter. We hope you'll consider supporting our work by joining our membership program, Criminal Plus. You can listen to Criminal This Is Love in Fibirates and Mystery without any ads. Plus you'll get bonus episodes. These are special episodes with me and criminal co-creator Lauren Spore talking about everything from how we make our episodes to the crime stories that caught our attention that week to things we've been enjoying lately. To learn more go to patreon.com/criminal. We're on Facebook at ThisIsCriminal and Instagram and TikTok at Criminal_Podcast. We're also on YouTube at youtube.com/criminalpodcast. Criminal is part of the Vox Media Podcast Network. Discover more great shows at podcast.voxmedia.com. I'm Phoebe Judge. This is Criminal.

Podcast Summary

Key Points:

  1. Thomas Plamberger, a more experienced climber, was charged with grossly negligent homicide in Austria for leaving his partner Kristen Gertner on Grossglockner during a winter climb, where she died from hypothermia.
  2. Prosecutors cited nine failures, including inadequate preparation, failure to turn back in bad weather, not signaling for help, and not sheltering or using emergency gear after leaving her behind.
  3. The trial revealed that Thomas, despite claiming no formal alpine training, had planned the trip and assumed responsibility over Kristen, leading to a legal concept of "guarantor duty" in mountaineering, where one person is morally and legally responsible for another’s safety.

Summary:

In January 2025, Thomas Plamberger and Kristen Gertner attempted to summit Grossglockner, a 12,000-foot peak in the Austrian Alps, during winter. Though both were physically fit, Kristen had limited winter mountaineering experience, and Thomas, who had climbed the mountain before, took on a leadership role. Despite warnings about dangerous weather conditions, including strong winds known as "Phone Wins," they continued their climb, reaching a critical resting point at 11,600 feet.

As night fell and temperatures dropped to 17°F with gusts up to 45 mph, Thomas decided to leave Kristen behind, claiming she was exhausted and that moving was necessary. He failed to shelter her or use emergency supplies like a tent or blankets. A police helicopter passed them without receiving a distress signal, and Thomas did not respond to follow-up calls, even though he had previously told officers he was not in immediate danger.

The next morning, rescuers found Kristen dead from hypothermia and pneumonia. Austrian prosecutors argued that Thomas, as the more experienced and leading climber, had a legal duty of care as a "guarantor" under Austrian criminal law. At trial, the judge found him guilty of gross negligence, ruling he had "galaxies" more experience than Kristen and failed in his duty to ensure her safety.

Though not convicted of murder, the verdict emphasized that leaders in risky activities must balance personal limits with others’ safety. Thomas was sentenced to five months in prison and fined €9,600 and has appealed. The case has sparked broader awareness in mountaineering communities about accountability, decision-making under stress, and the unspoken rules of group safety.

It marks the first time Austria has prosecuted a mountaineering death for negligence, signaling a shift in how such risks are viewed legally and ethically.

FAQs

They climbed Grosglockner in the Austrian Alps, reaching a high altitude of over 11,600 feet. They continued past the 'breakfast spot' despite worsening weather and poor visibility. Their headlamps were visible on a webcam, and they planned to summit in the dark. The weather deteriorated, with strong winds and cold temperatures, and Thomas left Kristen behind near the summit when she became exhausted.

The climb led to Kristen's death from hypothermia. Thomas was charged with grossly negligent homicide in Austria, as he was deemed responsible for her safety due to his greater experience and failure to act properly—such as not turning back, not signaling for help, and leaving her exposed without emergency equipment.

The charge was based on 'Karantenstellung'—a legal principle in Austria where someone who takes responsibility for another person’s safety, even without a formal contract, is legally responsible for their well-being, especially in high-risk activities like mountaineering.

He claimed he had climbed Grossglockner before and had self-taught through videos, but he testified he had no formal alpine training. The prosecution argued he lacked proper experience and failed to ensure Kristen was properly equipped and prepared for winter climbing at high altitude.

Prosecutors listed nine errors, including failing to turn back during bad weather, not signaling for help, not using emergency gear, leaving Kristen exposed to wind and cold, and not ensuring she had proper gear like hiking boots. They also noted he left her without shelter or a plan for rescue.

The judge found him guilty of grossly negligent homicide, ruling he had greater experience and was responsible for Kristen's safety. He was sentenced to five months in prison and fined 9,600 euros. The judge acknowledged Thomas's grief but emphasized that better decisions could have saved Kristen's life.

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