Oklahoma sex offender kills 7, including wife and children, before suicide.

A registered sex offender in Oklahoma fatally shot his wife, her three children, and two teenage girls before killing himself. The two teen girls who were killed had been reported missing and in danger on Monday morning. The motive for the murder-suicide is unknown. The tragedy has left the community and a local school system grieving. The offender had a history of controlling behavior and criminal charges related to solicitation of a minor.