According to Jiji Press (wire service in japan), police found the two heads inside a cool box at the entrance of the apartment before being shocked about the rest of the bodies.
A man in custody following the discovery of parts of nine corpses in his apartment in Zama City has told police that he disposed of portions of the bodies in the trash, reports the Sankei Shimbun (Oct. 31).
27-year-old Takahiro Shiraishi was arrested after the police began investigating him in connection with the disappearance of a 23-year-old woman earlier this month.
Police are now investigating to determine whether Shiraishi, who was arrested on suspicion of body disposal, killed the woman and the other eight victims.
The Tokyo police on Tuesday arrested a man after nine dismembered bodies, including two headless, with their flesh stripped off, were found his apartment in suburban Tokyo.
The woman is believed to have met the man after writing on a suicide website that she wanted to kill herself.
A police spokesman could not immediately confirm these reports. She also is known to have corresponded with the man who lives in the residence, aged in his 20s, on at least one occasion on a site for people seeking to take their lives.
The images of the japanese television showed a massive police presence blocking the outskirts of a big house where is located the apartment.
The woman was captured by a surveillance camera walking with the man in Zama near Sobudai-mae Station on the Odakyu Line, the police said.
According to Kyodo, the woman's brother who contacted the police on October 24, his sister had been missing since October 21.
"I thought it was the smell of sewage", he said.
Although Japan has one of the lowest crime rates in the world, it has seen some high-profile killings recently. In 2015, a man killed five people, including relatives and neighbors, in another knifing spree, according to the AP.