The Killer Stayed Several Hours in the House After Killing (The Setagaya Family Murders Mystery)
They were murdered during a home invasion in the middle of the night by an unknown killer who then remained in the house for several hours before fleeing.
The Setagaya Family Murders
At their home in the Kamisoshigaya neighborhood of Setagaya in the western suburbs of Tokyo on December 31, 2000, the bodies of Mikio Miyazawa, 44, his 41-year-old wife, Yasuko, and their daughters, Niina, 8, and Rei, 6, were discovered by Yasuko’s mother, Haruko, who reported it to the police. Mikio, Yasuko, and Niina had all been stabbed to death, and Rei had been strangled to death as well.
The Tokyo Metropolitan Police Department’s investigation of the crime scene revealed that the family had been murdered on December 30 at approximately 11:30 p.m. (Japan Standard Time) and that the perpetrator had remained in the house for several hours after the murders were committed.
