The 1980s: The Deadliest Decade

The Cheerleader Murder (1x3)

Air date: Nov 28, 2016

In a wealthy California suburb, 15-year-old cheerleader Kirsten Costas is stabbed to death. A teenage girl is seen fleeing the scene. As months pass without an arrest, the police are stumped. But some in the community… think they know the murderer.