In 1977 Florida Nurse Deborah Clark, 23, is found brutally slain in her home. Detectives unearth an affair, a jilted wife, and a web of money and power, but no true suspect.

When beloved mother and sister, Janora Stevens is found brutally stabbed in her Tulsa home, her family is bitterly divided and increasingly suspicious of each other.

When 19-year old Tara Sidarovich goes missing from her Punta Gorda home, Florida Police consider her a runaway. Then her body turns up in a swamp. Shocking prison recordings will send detectives on a nationwide hunt for her killer.

When Night Manager, Rodney Castin, is gunned down in the lobby of his hotel 3 weeks before Christmas, Detectives scour Georgia for his killer. Two decades pass before an informant's shocking testimony breaks the case wide open.

A 2007 cold-case resurfaces when a detective reopens the investigation into the brutal killing of Audrey Giannotti, 20, in rural Pennsylvania.

When Susan Schwarz is found shot to death in her apartment in 1979, police suspect a robbery gone wrong. Thirty-two years pass before a witness reveals a much darker motive that breaks the case wide open and leads to Susan's killer.

A massive search unfolds in Chandler, Oklahoma when two women and a child go missing from a Walmart parking lot in 1992. It will take 23 years and a tip from an unlikely source to piece together a heinous plot of misdirection and murder.

When the body of a woman turns up in a field in Huntington Beach, CA, in 1968, police simultaneously seek a killer and the identity of the victim herself.

When 34-year-old Freddie Farah is gunned down in his Florida grocery store, police urgently seek his killer.

The quiet town of Redding, California is rocked by the disappearance of Frank McAlister - a teen with a recent cash windfall who leaves only a blood-stained car behind.

When Chris Green, 19, is found beaten to death in a snowy Bangor, Michigan ditch in 2002, his family fear their son's murder will never be solved. Years pass before shocking revelations from an informant emerge and blow the case wide open.

The 1964 murder of 9-year-old Marise Chiverella leaves the devout town of Hazelton, PA, in fear. An intense manhunt yields numerous suspects but no killer.

When 8-year-old April Tinsley is found dead in a Fort Wayne, Indiana ditch the community is shaken. Disturbing letters then appear, penned by her killer, targeting other young girls.

When the body of 81-year-old Helen Gale is found in her burned-out car, investigators in Southfield, Michigan wonder who would murder this pillar of the community.

When 37-year-old Lee Rotatori is found dead in her hotel room in 1982 with a single stab wound to the heart, police suspect the work of a professional.

When model Dawn Koons, 18, heads to California with dreams of stardom, her family back in Yonkers worry she's made a mistake. Within months, her body is found in her bathtub.

When 9-year-old Campfire Girl, Candy Rogers, turns up dead after selling mints door-to-door, Spokane Detectives launch a dogged campaign to find her killer.