Phelps and Kelly go on the hunt for new clues in the case of the Original Night Stalker, a serial rapist and murderer who terrorized California residents in the 1970s.

Phelps and Kelly investigate the murders of four young girls decades apart with one thing in common: blonde hair and blue eyes.

Phelps and Kelly take a grim trip to the seaside town of Newport, Oregon, to investigate unsolved murders of five teen girls.

Phelps and Kelly head down to Texas to investigate the disappearances of over 30 young women in a flat, steamy wasteland known as The Killing Field.

Phelps and Kelly take a long trek across the Midwest to investigate the unsolved murders of six people on a lonely stretch of highway.

Phelps and Kelly head to Boca Raton, Florida, to investigate a series of kidnappings and murders at a suburban shopping mall.

Phelps and Kelly investigate the unsolved murders of four couples on a remote lovers' lane in Virginia.

Phelps and Kelly head deep into the Canadian wilderness to investigate the mysterious disappearances of over 30 women on a remote highway.