This tremendous shitlord lived out his life in relative peace in Hamburg until about 2002, when his role in the massacre was uncovered and launched him into a 13-year legal battle. Italy managed to find him guilty, but only in absentia, meaning he can't be punished unless he ever goes there. Back in Germany, they sent him to trial, only for him to be deemed unfit due to dementia (which he was probably faking, which is a big problem we'll get into later). He was presumably back to living in it up in the Hamburg suburbs, but investigators like Kolb and Dr. Zuroff don't give up so easily.

With that, we set off together to find this dick. But in the meantime, we learned ...

So it's not surprising that countries like Ukraine or Croatia or Hungary, which have complicated histories with the Nazis, aren't happy having their baggage brought up. But when we asked Jurgen which country is most protective of their Nazis, his answer was shocking. "I'd have to say Canada."

Henri Eveleigh/Bureau of Public Information

Canada, which had around 5,000 Nazis flee to it after World War II, has not prosecuted or deported a single one. It's been a series of acquittals, despite some of them openly saying that they completely depopulated Jews from towns that once claimed having around 5,000 of them.

The best countries at finding and prosecuting Nazi war criminals are Germany and Italy, for obvious reasons, as well as the U.S., presumably because we all grew up cheering as Harrison Ford cold-cocked half the Wehrmacht.

Your average SS today has trouble standing unaided, but that doesn't mean the danger is gone. Dr. Zuroff had a brush with it while he was going after Croatian war criminal Milivoj Asner, who deported hundreds of Jews, Serbs, and Romani to death camps, and also had an eminently punchable face, even as an old man.

Croatian Ministry Of Interior

The neo-Ustascha (Croatian Nazis) sent Zuroff this lovely little note: "You Jews really are a peculiar nation! You yourselves are looking for a sword that will cut off your heads. What you are looking for is what you Jewboy Zuroff will receive! Leave the Croats alone in peace. If any Croat will be put into jail because of your sick Jew ideas, we warn you: We'll start murdering your fellow countrymen in Croatia. We know your names and addresses. You decide for yourselves."

This is the internet, and you've probably seen more terrifying threats on Twitter today alone, but they also issued a $25,000 bounty for his still-warm corpse, so they were pretty serious.

Magdevski/iStock

Thankfully, either no one took them up on it or they were all lousy shots, and Asner died shortly thereafter. Jurgen's story is even more harrowing. "I was in Lithuania looking for a few SS collaborators who might be still alive. Somehow, local [neo]Nazis found out and confronted me outside of my hotel. (This was during the day, with sunlight and citizens walking by. If it had been at night, I might be dead.) I was told, 'Lithuanians did nothing wrong! Leave us alone, or you're not going back to Germany alive.' I was punched once in the stomach and kicked twice on the ground. The police didn't care, but I continued on anyway."

That's the kind of thing a guy can never quite put out of his mind. We were sitting at a cafe in Berlin when Jurgen suddenly tensed up, seeing a skinhead walk in. "We're going. Now," he said. It turned out the skinhead wasn't a Nazi, but after his last beating, Jurgen doesn't exactly take chances. And neither do we. You don't argue when a professional Nazi hunter says it's go-time, so we threw some Euros down and got the hell out.

David McNew/Getty Images

We crossed off the Jewish retirement home in the area for what are hopefully obvious reasons, as well as the all-women retirement homes for different but equally obvious reasons. This left us with four facilities he could be in. Eventually, at one of the homes, we were keeping an eye on the downstairs restaurant when Jurgen suddenly pulled up his camera and started taking pictures. There he was: a Nazi war criminal, in the withered, wrinkly flesh. And that was ... kind of it. Jurgen began to put away his camera and said, "All we can do now is update where he is living and that he's still alive."

Maybe he'll make a mistake at some point. Or maybe he'll quietly die in his sleep, or get dementia for real. Hell, even if he could be brought to trial, would he live to see the verdict? Would imprisonment be appreciably different from his current life? The guy isn't exactly zipping around on a jet ski in his spare time. And no matter what is done to him, he still got 70 years of a normal, peaceful life after killing 10 times as many people as Ted Bundy. He's a shuffling reminder that if karma exists, it has some huge fucking blind spots.

The Independent

"That man in there killed hundreds of people and never expressed guilt or remorse," Jurgen growled. "But he left a free man because he's claiming to be too sick. He's going to die free." Most Nazi war criminals died free. Nazi hunting is a noble endeavor, but it doesn't have a high success rate. Remember when we said 87 old Nazis had been convicted between 2001 to 2011? Well, those convictions represent a 3 percent success rate for Nazi hunting as a profession.

So why keep doing it? Jurgen has his reasons. "There is a line I like. 'This is not hatred. This is retribution. This is not revenge. This is justice.' Every war criminal, it doesn't matter if they are a Nazi or Khmer or Serbian, needs to know this. It doesn't matter how long it takes or how good a life you have led after what you did. You still did it. And there will always be the Simon Wiesenthals of the world to make sure you see justice."

And sometimes the best justice you can get is passive-aggressive, rather than of the carving-swastikas-into-faces variety. Once, Jurgen was tracking a 90-year-old former camp guard who escaped prosecution. He decided to pay the man's neighbors a visit. "I noticed a Mezuzah [a Jewish door decoration] on a house two away from his and knocked on the door. I wasn't thinking, but when they opened it, I was silent with nervousness, then showed them the present-day photo. I asked, 'Is this your neighbor?' They said, 'Yes. Why?' 'He's a Nazi.' They complained so vocally that he had to move." Because if you can't prosecute them, you can at least inconvenience the hell out of them.

Evan V. Symon is a Personal Experience Team interviewer, writer and interview finder. Have an awesome job/experience you'd like to share? Hit us up at tips@cracked.com today!

One of our most popular episodes from 2016 was when we invited Karen Kilgariff and Georgia Hardstark from 'My Favorite Murder' to talk about some of the best true-crime stories out there. So successful, in fact, that we're resurrecting it (get it?) for a part two! Metal Fang, the Strangling Executioner and the murderer living in the attic just weren't enough. So Jack O'Brien, Dan O'Brien and the Cracked staff welcome Karen and Georgia back for another creepy hour of serial killers and urban legends that are bound to make you terrified to go outside or talk to a stranger or do anything.

Get your tickets here:

For more insider perspectives, check out How To Disappear Completely (By A Fugitive Still On The Run) and 6 Ways Prison Is More Horrifying Than Movies Make It Look.

Subscribe to our YouTube channel, and check out How Not To Go Back In Time To Kill Hitler, and other videos you won't see on the site!

Follow us on Facebook, and we'll follow you everywhere.