24-year old waitress Zilpha Lowery goes missing in July 1993. Six months later, the gruesome discovery of her body has folks in Marion, NC, baffled. It's a frustrating case that takes police through the victim's past but goes cold until a decade-old lead helps police catch a killer.

The 2009 brutal slaying of 32-year-old divorcee Stacie Ann Smith, a single mom of 2, has the townsfolk of St. Albans, WV, reeling. The murderer's message at the crime scene baffles investigators and citizens are shocked that a killer lives in their midst.

When peaceful older couple 69-year-old Norm Leighton and 44-year-old Patti Hubbert are violently murdered and their apartment is set on fire, locals fear quiet Billings, MT, is turning into the Wild West. And when the couple's neighbor turns up dead, police are off on a wild ride to solve the case.

The sleepy town of Graham, WA, gets a jolt in November 2007 when young newlyweds Brian and Beverly Mauck are found shot to death in their rural home. Leads from friends and family send police on a wild goose chase, but cops soon find out one helpful tipster is the ruthless killer.

After beloved retired custodian James Mayberry is found stabbed to death in his Midwest home in 2002, the folks of Wichita, KS, are in shock. Detectives are stumped until a break comes faster than a prairie tornado that pins down the heartless killer.

In 2000, 25-year-old engaged mom Holly Notestine goes missing from her Clearville, PA, home in front of her 2 young children. Leads run out and the case goes cold. Four years later, her body is found deep in a logging forest. After years of fuzzy clues and dead-end tips, cops nab a ruthless killer lurking just around the corner.