Kanako Osawa, 30, was fatally stabbed inside a vehicle parked near JR Takasaki Station on Sunday
TokyoReporter
No personal belongings were found at the scene, police said
Man is believed to have later been involved in a hit-and-run accident in Koshigaya City
Police did not reveal whether the location of the head is known
Woman consulted with police about the man on four occasions in June
Suspect said, ‘I got turned on by a girl I happened to come across’
Suspect said, ‘There is no question that I was touching my genitals with my hand, but I did not intend for others to see’
Due to the stage of decay, the approximate age and gender of the person are not known, police said
Shiraishi made her AV debut for Soft On Demand in 2013
Suspect also filmed the sessions with his smartphone, police said