In 1993, Florida was known for attacks on tourists. An injury to a victim, a bite mark, would be a key piece of evidence used to convict a determinedly uncooperative suspect. S8 Ep6
A woman is shot to death in her store just one day before she is to testify against the man accused of robbing her. The robber becomes the prime suspect, but he has a solid alibi. S8 Ep5
A woman vanishes, her body discovered a month later. Witnesses say she forced into a car. The car had been rented, but the signature on the agreement didn't match their suspect's. S8 Ep4
In 1962, 15 year-old Marlene Miller was murdered. It would take 24 years before forensic scientists discovered the microscopic evidence that brought the killer to justice. S8 Ep3
When a man dropped dead of an apparent heart attack, no one thought foul play was possible, until Police looked into his girlfriend's behaviour leading up to his death. S8 Ep1
When a gym teacher was found shot to death, the police suspect his wife of foul play, and a videotape recorded by the victim reveals his strange marriage. S5 Ep15
When an unreliable, drugged up prostitute witnesses an attack on a helpless girl, and an unidentified body is found, police wonder if the cases are connected. S5 Ep11
When a pregnant woman was attacked, her unborn child was killed. She accused her husband, who spent years in jail until new DNA evidence emerged. S5 Ep6
A bloody trail leads investigators to a dead end at the scene of a bloody murder. Years later, advances in forensic techniques help find the killer. S7 Ep32