The investigation into the 1995 murder of Texas teacher Mary Catherine Edwards went cold for years. Advances in forensic science and tireless work by investigators would reveal the startling connection between the victim and her killer.
Police say a photographer and one-time contestant on "The Dating Game" was also a chameleon and a serial killer —perhaps the deadliest in U.S. history.
Two female racecar-driving teens are competing to win a NASCAR championship in the male-dominated motorsport. Brady Halbleib has more on their chase for victory.