Season 4

After 16 years of violent abuse Deborah Brown and her children have decided to flee from her husband Steven Brown. They think they'll be safe living with Deborah's brother Don in a different state. Then one night Steven arrives to exact his revenge, and Deborah endures a night of sheer terror.

Masked robbers burst into a Eustis, FL bachelor party and open fire on the guests. Two men are killed and another is seriously injured after being shot ten times. The mastermind of the robbery is drug dealer Donte Hall. He enlisted the help of his stripper girlfriend Angel Glenn, who was working the party, and his identical twin brother Dante. Now police must find them before they kill again.

The ordeal of Lisa Fotopoulos, who survived a gunshot to the head in a botched murder-for-hire scheme.

In the spring of 2005, prominent Vietnamese fortune teller Ha Smith and her daughter Anita Vo are found brutally stabbed to death inside their Orange County, CA home. In a puzzling twist, their killer has also poured white paint over their bodies. As detectives consider the possibility of a ritual killing, new purchases are being made on Ha Smith's credit cards. The money trail leads police to a North Carolina woman who also happens to be a client of Ha Smith.

In the fall of 2004, police officers rescue Jennifer Hitchcock from the Wisconsin hotel room where her abusive and obsessive boyfriend, Maurice Mason, has been holding her. But Mason refuses to let her go. He recruits his nephew Bennie Frier as an accomplice and follows Jennifer to Nebraska, where he intends to get her back - no matter what. Mason tracks down his one time lover, savagely beats her, and kidnaps her. He and Frier then begin the trip back to Wisconsin. It's a trip that will find one man bound and left for dead in the wilderness, a cab driver gunned down, and Jennifer herself brutally murdered.

In January of 2000 Danielle Simpson, his wife Jennifer, and a 13-year-old friend decide to rob the home of their elderly neighbor, 84-year-old widow Geraldine Davidson. They break in while she's out, but are startled when the retired school teacher returns home while they are still in her house. The trio kidnaps the elderly woman, bind her with duct tape, and force her into the trunk of her own car. They then drive around the town of Palestine, TX, stopping to show her off to friends along the way. When Danielle Simpson's younger brother Lionel joins them, he convinces the others that Geraldine must be killed.

In July of 2005, elderly couple Carol and Reggie Sumner go missing from their Jacksonville, FL home. A few days later, their abandoned car turns up about an hour away from home. Then someone starts withdrawing cash from their bank accounts at ATM's in Charleston, SC, where they used to live. Investigators follow the paper trail right to Michael Jackson and Tiffany Cole. The young couple has a connection to the Sumner's. Tiffany Cole used to be their neighbor. Jackson and Cole, along with friends Alan Wade and Bruce Nixon, have committed an unspeakable crime.

On the night of August 9, 1991, two men break into the Buddhist temple on the outskirts of Phoenix, AZ and murder all 9 people inside. The motive appears to be robbery. Based on a tip, a special task force quickly arrests four Tucson, AZ men and charges them with the murders. But ballistics tests on a confiscated .22 rifle connect the murders to two teenagers - Jonathan Doody and Alessandro "Alex" Garcia. While being questioned, Garcia admits he and Doody are the real killers.

Catherina Voss is obsessed by sex, men, and spending money she hasn't got. In April 2007 she decides the quickest way to a fast buck is to hire a hit man to kill her latest husband, Navy Ensign Cory Voss. As Catherina waits excitedly for the life insurance check to arrive Police begin to delve into her background, and discover her latest lover, Michael Draven, tells as many lies as she does - claiming he's a successful movie producer when in fact he's hardly worked a day in his life.

The ordeal of Jaycee Dugard, who was abducted at age 11 by Phillip and Nancy Garrido in 1991 and kept as a sex slave until 2009, is detailed.

Pool hall hustler Donald Fish stands only 4 ft 4 inches and is no match for two vicious lesbians who come up with a plan to seduce him before using violence to steal his money. Will investigators be able to find the duo before they strike again?

Two lovers are prepared to go to any lengths to pay for their next drug fix, costing over $600 a day. They decide robbing jewelry stores is the best way to get cash. Their robbing spree soon turns into a murder spree when the body count starts to add up.