Boy, 13, shoots dead his family, spends his day in school, then kills himself

A 13-year-old boy killed his police officer parents as well as his grandmother and great-aunt before spending a full day at school and then taking his own life.

Police believe Marcelo Pesseghini shot each victim in the head with a .40 caliber pistol early Monday morning at the home in Sao Paulo, Brazil, before catching a lift into school with a friend.

The father, Luiz Pesseghini, 40, a police sergeant with 19 years service was found in bed. The mother, Andreia Pesseghini, 30, who had served in the military police for 16 years was found on her knees in the bedroom. (Marcelo and his parents pictured above)