A couple in their 20s were arrested Tuesday on suspicion of disposing of the body of an 18-year-old Tokyo high school girl in Yamanashi Prefecture near the capital after she went missing over the weekend, police said.
Shohei Komori, 27, and his wife Izumi, 28, who live in Gunma Prefecture, have admitted to dumping the body of Kana Washino, the Tokyo police said. The couple also said they killed the girl in a storage shed, according to investigative sources.
Komori said he had become acquainted with Washino about two years ago through Twitter, and that his wife became jealous after finding out about it, the sources said. He told investigators he called Washino to meet with him and his wife.
After going missing on Saturday, Washino, a senior at a private high school and a resident of Tokyo's Sumida Ward, was found dead in the storage shed in a mountain area with blood around her chest.
The police said they found four stab wounds on the back of Washino's body as well as a rope and a mark around her neck suggesting she had been strangled. They did not discover any sharp objects likely used in the stabbings.
Washino is believed to have died on Monday, the police said, adding they will conduct an autopsy to determine the precise cause of death.
The girl had left home at around 3:30 p.m. on Saturday, telling her mother she planned to see friends and would return later that afternoon. Her mother called the police at around 6:30 p.m. as she had not come home and could not be contacted.
Security camera footage showed the high school student getting into a car on a street near her home, the investigative sources said.
The vehicle was found in Nagano Prefecture on Monday night and the couple who were in the car told investigators they had disposed of the girl's body in neighboring Yamanashi Prefecture.
