On the night of the 13th, a mother and her daughter, a high school student, were stabbed to death at a house in Kitakyushu City. boy's DNA type matched.
Police are investigating whether the boy was involved in the incident.
Before 10:00 pm on the 13th, a 15-year-old high school student and her 37-year-old mother were stabbed by a young man at a house in Kokurakita Ward, Kitakyushu City, and the police are investigating it as an attempted murder. increase.
About 20 minutes after the incident, a 17-year-old boy living in Katsushika Ward, Tokyo, who was dressed very similar to the man who ran away, was hit by a train and died on a JR track about 600 meters away.
The police were investigating the relationship with the incident, but the blood left in the house and the boy's DNA pattern matched, so the boy's My Number card and student ID were also left in the house. about it.
Also, according to investigative sources, immediately after the incident, the female student explained that she was stabbed by a man she met on SNS.
Police are investigating whether the boy was involved in the incident.