A look at homicide investigations that conclude with the killer's true identity coming as a shocking surprise.
A devoutly religious couple is murdered.
Police suspect a student's friends and lovers might be involved in his death.
A suburban mom is murdered in her own home.
A beloved citizen of a small town is found murdered.
A young college student is viciously murdered.
A shocking murder rattles a small town in New Mexico.
A mother about to embark on a new life is murdered in her own home.
A beloved basketball coach is ruthlessly murdered.