Days before Thanksgiving, a small Philly suburb is rocked by the murder of 67-year-old Alice Hufnagle. Investigators run down a litany of suspicious characters on the road to unmasking the beloved matriarch's killer.

In 2005, a 28-year-old photographer and college student is found murdered in his Arlington, Texas apartment. Investigators suspect that the victim's generosity and willingness to help those in need may have lead a killer to his door.

In December 1998, the body of telemarketing manager David Stevens is found in a torched car in La Jolla, California, the victim of homicide. Detectives encounter a rogue's gallery of suspects and outlandish leads on their way to finding the killer.

A young woman is found murdered in her Portland, OR apartment on Christmas Day and investigators soon learn the terrifying truth about her vicious killer.

Though Ronald Hawkins and Candace Sims knew that their son Robbie was different from an early age, they were unprepared for the violent act that Robbie would commit, a crime that shook the nation. Now they talk about it all on camera.

Danyall White tells the true story of her brother Richard. Danyall always thought he was a prankster who told stories. But when his stories started getting more and more violent, she slowly realized that her brother was hiding a monstrous secret.

Cathy thought she had found the man of her dreams in Peter Tobin. But by the time she discovered his dark secret, it was too late. How would she keep herself and her son alive long enough to escape one of the most evil men in modern history?

To Kevin Currie, Mormon prophet Jeffrey Lundgren was more than a spiritual leader, he was a brother. But before long, Kevin realized that this Man of God was really a devil in disguise with an evil plan.

Bernadette was 17 when her boyfriend, Brian Sugrim, told her he had murdered someone. But she didn’t believe him. Only years later would she realize the true evil that Brian was capable of. Will a monster get away with murder?

Sheila Janutolo dreaded being alone with her husband Jim Cruz. Over the years, she had learned to fear him and his violent temper. But when she got a call that he'd been arrested for a ghastly crime, she was certain police had the wrong man.

When Alvin "Bud" Brown was arrested he told an officer that he was just like Hannibal Lecter. But, to his wife, Jackie, the man she shared a bed with for years appeared to be gentle and loving until the Thanksgiving Day when she discovered the truth.

Montgomery, Alabama’s upper crust social circle is about to play host to an uninvited party guest. Murder is on the menu when one family’s distrust and finger pointing lead detectives on a cross-country trek for a killer.

On Thanksgiving, police officers are sent out on a welfare check and uncover an unthinkable triple homicide. To unmask the killer, detectives must uncover a victim's secrets and examine a hidden world of disinheritance, rage, and dark accusations

A frantic 9-1-1 caller informs police he's found a family member dead. At first, it looks like a simple case of suicide. But a deeper dig reveals a secret world of sex tapes, broken promises and unbelievable murder motives.

Twenty-three year-old Brandi Wells is a spirited young woman about to get a second chance in pursuing her lifelong goal. But, her dreams are cut short when police find her abandoned vehicle the morning after she goes out alone to a nightclub.