Killer Performance

A look at the depraved case of 1970s serial killer John Wayne Gacy.

Examining the case of Ted Bundy, a notorious serial killer; three experts analyze his behavior.

A look at the case of supposed "family man" Chris Watts, who actually harbored a dark secret.

Texas firefighter Robert Poynter was fatally shot; his wife blamed a random killer at the time.

When Stacey Peterson goes missing, her husband Drew Peterson becomes the prime suspect.

A student goes missing; Stephen McDaniel appears on the local news.