Authorities appealed to the public for tips as they searched Sunday for a suspect in the killing of three children and an adult during a mass shooting at a birthday party in Stockton.

Osaka Prefectural Police have a arrested a 41-year-old police sergeant on suspicion of shoplifting over 60 items from a character goods store. According to police, Hiroyuki Matsuda, a sergeant with the forensic science section of the Katano Police Criminal Investigation Division in Neyagawa City, Osaka Prefecture, has admitted to the…