Hunting ‘Rat Man’: The Unbelievable Crimes of Tsutomu Miyazaki
10 Minute Murder | Bingeable True Crime Stories
Joe Kuner
4.8 • 614 Ratings
🗓️ 11 March 2025
⏱️ 13 minutes
🧾️ Download transcript
Summary
Tsutomu Miyazaki wasn’t just another name on Japan’s long list of violent criminals—he was an outlier. A man who managed to blend into society while carrying out some of the most horrific crimes the country had ever seen. Born into privilege but emotionally detached from the world around him, Miyazaki spiraled from quiet loner to full-fledged predator, targeting young girls in ways that were as disturbing as they were methodical. His crimes weren’t just about violence—they were rituals, calculated and grotesque, leaving behind evidence that felt more like taunts than mistakes. And when he was finally caught? Let’s just say his courtroom defense was as bizarre as his crimes.
In this episode, we’re unraveling the case of the Otaku Killer, exploring how Miyazaki’s warped mind operated, the gruesome details authorities uncovered, and the strange way Japan handled his trial and execution. This is a case that left scars on an entire country—and once you hear the details, you’ll understand why.
#truecrime #japanesemysteries #truecrimepodcast #tsutomumiyazaki #otakukiller #crimehistory #unsolvedcases #darkhistory
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Transcript
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| 0:00.0 | There's something uniquely unsettling about a person who lives two completely separate lives, |
| 0:06.1 | one that looks normal on the surface, and another one that no one sees coming until it's too late. |
| 0:12.1 | Sutomo Mayazaki was one of those people. To the outside world, he was just an awkward guy |
| 0:18.0 | from a well-connected family, the kind of quiet, withdrawn person you wouldn't really notice. |
| 0:23.8 | But behind closed doors, he was deeply unwell. |
| 0:28.2 | This wasn't a case of a misunderstood loner. |
| 0:31.3 | This was something darker. |
| 0:32.6 | He went to extreme lengths to taunt his victim's families |
| 0:36.1 | and was so detached from reality when he finally |
| 0:39.1 | got caught, his defense was, let's call it, creative. Today we're talking about the man |
| 0:45.4 | Japan dubbed the Otaku Killer, a name that somehow makes him sound far less terrifying than he |
| 0:51.3 | actually was. Be ready, because this one gets weird. But before we dive |
| 0:56.4 | in, if you like your true crime brief and bingeable, you're in the right place. Hit Follow |
| 1:01.5 | now for at least two new episodes every week. This is 10-minute murder. Let's get into it. Soutomu Maizaki came into the world already marked as different. |
| 1:43.3 | Born in Tokyo in the 1960s, |
| 1:47.0 | he had a rare birth defect that fused the bones in his wrists together, preventing him from |
| 1:52.0 | bending them upward. In most cases, a condition like this might not be life-altering. |
| 1:57.0 | But in mid-century Japan, where disabilities were often hidden away in institutions, |
| 2:02.5 | it set him apart in ways that went beyond the physical. |
| 2:06.2 | Miyazaki's family had money and influence. Generations of his relatives had served on the town |
| 2:12.2 | council, and his parents owned the local newspaper, giving them significant sway in the community. |
| 2:18.3 | That influence likely kept him out of an institution and in the family home. |
... |
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