A 46-year-old man has confessed to killing his wife, their two children and his parents, aided by his younger brother, at an apartment in Chita, Aichi Prefecture, before attempting to commit suicide, police sources said Tuesday.
Police found the bodies of Mikio Murata's parents, Minoru and Kinue, both 74; Murata's wife, Ayako, 44; and the couple's two children, Naho, 11, and Kenya, 9, on Monday night. They all appeared to have been strangled.
Murata's younger brother, Toyoharu, 44, was also found dead, police said.
Murata told police that he and his younger brother strangled the five at their parents' apartment before attempting to kill themselves.