One Deadly Mistake, A Pattern of Violence

The body of Kathy Blair, a choir director, is found stabbed to death in her bedroom in Austin, Texas.

A brutal murder of a college student in Vincennes, Indiana, may go unsolved until a second crime puts detectives on the heels of a serial killer.

After the battered body of a young woman is found dumped at a landfill in Lubbock, Texas, detectives race to collect evidence hidden in acres of trash.

Investigators in Prince George's County, Maryland are chasing the shadow of a brutal killer who is targeting mothers and daughters.

Detectives in Florida are working to identify the body of a young woman found floating in a river.

Petty Officer Amanda Snell is found dead in her room on the base and NCIS is split as to whether her death was an accident.