The Otaku Killer | Declassified: He Said It Wasn't Him #serialkillermystery (2025)

Japan’s most disturbing serial killer blamed a cartoon alter ego for his crimes. This is the story of Tsutomu Miyazaki — the Otaku Killer. Watch the full case soon on Declassified. Full Description (you can expand it in long-form uploads): Tsutomu Miyazaki — known as The Otaku Killer — didn’t just murder. He filmed. He posed. He mailed remains. And he blamed it all on a cartoon alter ego called “Rat Man.” This is the most disturbing case Japan has ever known. 👁‍🗨 Full Deep Dive episode coming soon on Declassified: The Serial Killer Files. #OtakuKiller #Declassified #TrueCrime #SerialKillers #Shorts #RatMan #comingsoon