The Setagaya Murders

On December 30, 2000, the Miyazawa family was brutally murdered in their Tokyo home. What makes the Setagaya murders especially chilling isn’t just the violence—it’s the fact that the killer stayed in the house for hours afterward, leaving behind an extraordinary amount of evidence. More than two decades later, the case remains unsolved, becoming Japan’s most infamous cold case and a source of enduring mystery and grief. In this episode, we explore what happened that night, the baffling clues left behind, and why—despite DNA, fingerprints, and thousands of tips—the killer has never been identified. If you enjoy this episode, be sure to leave us a review and subscribe so you never miss an episode! WANNA SHOW SUPPORT? Instagram : crimebpodcast                              Email: [email protected]                   TIK TOK: crimebitches2 References City Towner. (2025, May 28). The Setagay Family Murders in Kamisoshigaya Japan. Retrieved from City Towner: https://citytowner.com/setagaya-family-murders-kamisoshigaya-japan/ Hernon, M. (2025, December 30). The Setagaya Family Murder Case. Retrieved from Tokyo Weekender: https://www.tokyoweekender.com/art_and_culture/history/the-setagaya-family-murder-case/ Horror Chronicles. (2024, June 17). The Setagaya Family Murders. Retrieved from Horror Chronicles : https://horrorchronicles.com/the-setagaya-family-murders/ Jiji. (2025, December 30). Police continue searching for kille of Setagaya family 25 years on. Retrieved from Japan Times: https://www.japantimes.co.jp/news/2025/12/30/japan/crime-legal/setagaya-murder-search/ Setagaya Family Murder. (n.d.). Retrieved from Wikipedia: https://en.wikipedia.org/wiki/Setagaya_family_murder The Setagaya Murders. (n.d.). Retrieved from Unresolved: https://unresolved.me/the-setagaya-murders Waters, T. (2025, December 11). Setagaya Family Murders Japans most infamous unresolved cases. Retrieved from Joyn Tokyo: https://joyn.tokyo/life-guide/society/setagaya-family-murders