The teen had called 911 saying he was either going to kill someone or kill himself, according to HPD. HOUSTON — A 15-year-old is in custody after he shot his mother and sister multiple times after ingesting large amounts of marijuana Saturday night, according to the Houston Police Department.

A 15-year-old boy is accused of calling 911 before gunning down his mother and sister inside their Texas home, and police are saying marijuana edibles may be a factor behind the violence. The incident happened at around 11 p.