When a decomposed body is found stuffed in a barrel, it's easy to presume murder. But the body had been placed in the barrel 30 years earlier. One of the few clues was an address book found along with the body, but years of moisture had washed away the ink, which was completely gone. Scientists desperately searched for a way to reveal the information written on the pages of the address book. They find ties between the dead woman and former home owner Howard B. Elkins, who committed suicide 20 ho

When Seattle policeman Matt Bachmeier's house goes up in flames, fire experts suspect arson � possibly committed by someone with a vendetta against the officer. One month later, in an ironic twist, the officer whose home was torched, arrests low-level drug dealer James Wren, who confesses to the arson. But when the suspect vanishes, investigators start to question the authenticity of the so-called confession.

Dianna Green is brutally attacked in her own home and her unborn child is killed. After coming out of her coma and regaining her memory, she identifies her husband Kevin Green as the perpetrator and the semen left at the scene matches her husband's blood type. The husband was convicted and spent 16 years in jail proclaiming his innocence. Then, a new DNA test and an innovative computer program lead investigators to question just how accurate the wife's recovered memory really was.

Nancy Newman and her two young daughters are found brutally murdered and sexually violated in their Anchorage, AK home. The crime scene has no shortage of evidence, but investigators cannot find a conclusive link to their prime suspect. To solve the puzzle, an FBI analyst designs a unique experiment, in which pubic hairs found at the scene are used to establish not only that the Kirby Anthony was in the home, but that he was there when the crime was committed.