The suspect in last week's shooting and stabbing attacks in central Japan that left four people dead asked his mother to shoot him during an hours-long standoff at his home, an investigative source said Monday.Masanori Aoki, 31, surrendered to police after holing up for about 12 hours following the attacks on Thursday afternoon, and was arrested for the alleged fatal shooting of a policeman with a hunting rifle.During the standoff, Aoki, the son of a local assembly member who resigned following the incident, contemplated suicide but could not go through with it, so he handed a gun to his mo…READ FULL ARTICLE