Monday

The world’s top criminal investigators, forensic scientists and behavioral analysts go behind the scenes of some of their most challenging serial murder cases to reveal the cutting edge forensic science, technology, behavioral psychology and investigative techniques involved in tracking down a serial killer. The detection and apprehension of the gainesville ripper, who brutally attacked and murdered five college students in florida, provides the core narrative against which the unique forensic and investigative details of four other cases are compared and contrasted.

Over the years, Betty Lou Beets had multiple failed marriages, each of which ended in its own unique way. In 1983, she reported her fifth husband missing and tried to stage a boat accident.

Investigators uncover a bizarre web of lies involving a conman posing as a doctor, Lisa Henning obsessed with reptilian conspiracies—leading to one of New Mexico's strangest and most chilling murder cases.

When the body of former policewoman Taylor Wright was discovered buried on a remote Pensacola farm, detectives had a lineup of suspects to investigate - her ex- husband from whom Taylor stole $100,000, her new live-in girlfriend Casandra, or her best friend Ashley. A locked cell phone held the clues.

Shayna Hubers called 911 to report she had killed her boyfriend in self-defense after he attacked her. But investigators soon learned he was planning a date with a beauty queen the night he died. Did Shayna kill him in a jealous rage? A stunning interrogation room confession and emotional testimony left the jury with a tough decision.

Ashamed of a pregnancy out of wedlock, and fearful of her parent’s reaction, high school senior Skylar Richardson told no one of her condition. But when a newborn’s body was found buried in the family’s backyard, Skylar was charged with murder. Police interrogation tapes of Skylar and her parents revealed a powerful story of a family’s secret.

The beautiful, blonde, highly popular Dr. Teresa Sievers, was a rising social media star when she was found bludgeoned to death in her Bonita Springs, Florida kitchen. It was the 3rd suspicious death of a holistic doctor in several weeks. But detectives soon came to focus on her stay-at-home husband Mark, who had taken out a multi-million dollar life insurance policy on his successful wife, in a murder-for-hire scheme.

In 2000, the manager of a Florida hotel is doused with acid in broad daylight. He dies from his wounds 11 days later. Investigators must contend with bum tips, false identities and a nationwide manhunt before the shocking culprit is revealed

A woman never expected such extreme reprisals from a man she once called her partner, but her daughter is caught in the crosshairs.