A 36-year-old man arrested late Friday on suspicion of killing a woman he met through a suicide Web site has confessed to killing two other victims who also believed he shared their desire to commit suicide, according to police sources.

Hiroshi Maeue, 36, an employee at a temporary staff agency, was arrested on suspicion of suffocating Michiko Nagamoto, 25, in February.

He has also reportedly admitted to killing a male junior high school student from Hyogo Prefecture in May and a male college student from Higashi Osaka in June, and dumping their bodies in mountains in southern parts of Osaka Prefecture.