When Betty Wolsieffer, the wife of a well-known dentist Glen Wolsieffer is found dead, police are unsure who killed her and injured her husband. Some fibers and a study of the weather patterns on the night of the murder break the case open and reveal the killer.

When Joanne Katrinak is found dead in a corn field with her infant son next to her, the obvious suspect is the husband and father of the victims. But some insects found on the bodies reveal a vital clue, as does a long blonde hair found on the victims. The blonde hair has something uniquely in common with the brunette hair of the husband's former love interest Patricia Rorrer. The link uncovers a twisted story of passion gone wrong.

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.