The two women found dead Tuesday afternoon with a man they met through a suicide Web site had been missing for more than a week and one of them was mentally unstable, Saitama police said.
The three, all unemployed, were found dead of apparent carbon monoxide poisoning in a vacant apartment in the Shimofujisawa district of Iruma, Saitama Prefecture, police said Wednesday, noting the victims had been dead for several days.
The man was identified as Michio Sakai, 26, a resident of Iruma. The women were identified as Miki Goto, 24, from Funabashi, Chiba Prefecture, and Akiko Sato, 24, from Kawasaki.
Police said Sato had been missing since Feb. 2 and Goto since Feb. 5. Both families filed missing person reports with local police Monday.