Courtney claims it was her lover Michael's idea to kill her father with a baseball bat when she was just 16.

In 2001, Loyd and Agnes Courtney were beaten and stabbed to death. Did their daughter really do it?

New Year's Eve ends in triple homicide when Twila Busby and her two adult sons are found dead at home. Her boyfriend Hank Skinner is found guilty, but claims he is innocent.

In 2 months, 20 patients at a Texas hospital are murdered. Meet nurse Vickie Jackson, the "Angel of Death", on duty at every attack, who was sentenced to life with no parole.

Ana Trujillo claims it was self-defense when she bludgeoned her boyfriend Stefan Andersson to death with a 5-inch stiletto heel, but a jury found her guilty of murder.

Popular radio announcer George Weber is discovered stabbed in his bedroom. He met his killer, 16 year old John Katehis, on Craigslist. Now Candice DeLong goes one-on-one.

Earl and Melissa are found guilty of killing two elderly people and sentenced to life - but Melissa says she's a victim too. Is she lying?

What made this young mom snap? Candice DeLong digs deeper.

Police are puzzled when the body of Patrice LaBlanc surfaces in a nearby lake. Her boyfriend Cliff Youens, also known as drag queen Brandi West, is found guilty.

Candice DeLong unravels years of abuse, but can it ever justify murder?

After Larry Swearingen was arrested, his victim Melissa was still alive, left for dead for 20 days.

Britney Gulley has trouble remembering killing her first victim, because she was so high.

Charles Dean Hood is convinced that he was nowhere near the crime scene but, there is a voice recording of him there.

Ivan Martinez witnessed somone stab Barry Horn 69 times. But is he lying about just being a witness?

Sylvilla Humphrey tried to just use her gun to scare away her attacker, but instead, she pulled the trigger.

Ron Samuels is covinced that everyone involved in the murder of his wife Heather, turned on him to save themselves.

Britney Gulley has trouble remembering killing her first victim, because she was so high.

In Southwest Florida, Terrance Williams, a young father, disappears. As his mother retraces his steps she uncovers something ominous: the last known person to see Terrance alive has a strange and disturbing connection to another missing man.

Hard-working family man Chris MacCallum disappears while on a camping trip deep in the forest along the border of California and Oregon.

Elizabeth Shoaf was forced into Vinson Filyaw's rape dungeon for ten days until she managed to escape.

Hard-working family man Chris MacCallum disappears while on a camping trip deep in the forest along the border of California and Oregon.

Young Idaho girl is kidnapped by a brutal killer. A nationwide hunt for her ensues, but it's two people at a restaurant who see a little girl accompanied by a strange man. Their gut instinct says Its Shasta, and they're right.

In the fall of 2005, Becky Sue MacDonald, a loving mother of four, breaks up with her abusive boyfriend and moves in with a relative to make a fresh start. When she goes missing, some wonder if she's hiding from her ex, but others suspect foul play.

Life is good for 12 year-old Garrett Phillips, until he's brutally attacked while home alone. His killer jumps unseen from a window and investigators are left with a vexing mystery that rattles the otherwise peaceful village of Potsdam, New York.

Sarah Jo Pender is implicated in the double murder of her roommates, was she the puppet master or an innocent bystander? Even the prosecutor has his doubts.

A young mother from Austin, Texas suddenly drops out of contact. Police believe she may be taking a break somewhere, possibly with a new man. But Julie’s family fears the worst.

Alaska teenager Bonnie Craig leaves her house to go to class, but ends up being found murdered and sexually assaulted in Chugach State Park.

Kristina Jacobson is kidnapped from her home. A high speed car chase ends in a standoff between the kidnapper and police sharpshooters--who worry that Kristina could get caught in the crossfire.

When the murdered body of Miami pediatric nurse Beverly Jackson is discovered under the most shocking of circumstances, her family is devastated.

The story that most people don't know is this: Jaycee Dugard was freed because of two women whose gut instincts were aroused by a strange man and his oddly uncommunicative daughters.

Young Alicia Kozakiewicz slips out one New Year's Eve to meet a new friend she's met on the Internet. But he's no friend.

When 91-year-old Washington VIP Viola Drath is found dead on her bathroom floor in her tony Georgetown townhouse, it appears she?s simply the victim of a nasty fall.