A man arrested in connection with the murder of a 13-year-old girl in Osaka Prefecture was stopped by Tokyo police and found to be in possession of handcuffs and a stun gun two days before her body was discovered, investigative sources said Wednesday.

Osaka police believe Koji Yamada, 45, who was arrested Friday on suspicion of dumping the body of Natsumi Hirata in a parking lot in Takatsuki, Osaka Prefecture, on Aug. 13, may have used the items in the alleged murder, they said.

Yamada is also suspected of abandoning the body of Ryoto Hoshino, 12, who was with Hirata the day they both disappeared, in Kashiwara, Osaka.