Keighley Ann Alyea

Age: 18

Summary: Kansas City teen who was reported missing for nearly a week after she was last seen at her home around midnight on Sept. 29, in which investigators said that she was a victim of domestic violence after she intervened in a violent argument between her ex-boyfriend and his sister on the night of her disappearance.

Cause of Death: Homicide by stabbing, beating and choking

Born: April 6, 1991

Died: September 30, 2009

Location: Cass County, Missouri