Full Episode: A detective in California tracks down a prostitute's killer with the help of a key piece of evidence. And two persistent cold case detectives use DNA to investigate the 1990 murder of a woman and the death of a man killed in a car crash in 1988.
Full Episode: After U.S. Navy sailor Andrew Muns disappears in 1968, the Navy claims that Muns went AWOL from his ship. But his sister works tirelessly for over 30 years to prove that Muns was really killed. And DNA surreptitiously gathered from a cigarette butt helps detectives to unravel a 20-year-old case of rape and murder.
Full Episode: After 46 years, LA homicide detectives take a Lover's Lane bandit who also gunned down two police officers into custody. Then, DNA testing helps lead police in Florida to a suspected killer, however the killer has an identical twin.
Full Episode: A murderer's saliva, found on envelopes that he sealed, helps seal his doom 37 years after his first killing. And Colorado police crack a cold case 24 years later when they take a DNA sample from the victim's son that proves that his father murdered his mother.
Full Episode: A quarter of a century after the murders of two nurses, Canadian police suspect that a former Toronto cop committed the crimes. A blow to the head of a garbage collector in San Jose leaves strange markings, and decades later a detective, with help from forensic science, matches the markings to the etchings of a vintage bar sign. California police hope that DNA will help them track down the man who stabbed and killed a woman as she sat in her parked car in front of a supermarket in 1985.
Full Episode: After a long manhunt, cops finally close in on a serial killer with the help of the Internet and information supplied by a subsidiary of Microsoft. And a drug trafficker jumps bail, goes into the bike shop business, and helps pioneer the sport of mountain biking while he's on the lam.