When detectives investigate an execution-style murder in Miami, the motive boils down to money and a lifelong grudge.

A factory worker in Maine finds his missing SUV in a motel parking lot two months after it goes missing, and the body of his estranged wife in the back seat.

Investigating the double execution of Delaware newlyweds, Wilmington detectives uncover a drug habit worth killing for.

An Illinois woman is found floating in a river, and the prime suspects soon include her husband, a peeping tom, and the victim’s secret lover.

When a Michigan couple is slaughtered in their own home, the case soon goes cold. That is, until a random tip leads investigators right back to square one.

The body of a young woman is dumped in a gritty Brooklyn neighborhood, and detectives must uncover evidence that will tie the killer to the crime scene.

When an Ohio man is gunned down in his home just days before Christmas, detectives narrow the timeline to a mere eight-minute window.

An Iowa man is gunned down in his sleep and the list of suspects expands to include his fiancée, her two ex-boyfriends, and a mysterious case of stolen identity.

When a Florida hotelier is reported missing, the no-body homicide case includes a love triangle, a possible case of arson, and an unmarked grave.

It’s Thanksgiving weekend, and a popular college student is stabbed over 100 times in her Jacksonville Beach apartment.

A Tampa bartender is gunned down in her garage, and it’s the victim’s own handwritten notes that break the case wide open.

A media firestorm erupts in Georgia when a law student's dismembered torso is discovered in a dustbin outside her home.

A 63-year-old retired Air Force captain is fatally doused with sulfuric acid. Investigators eventually uncover a deadly neighborhood feud and a manipulative mastermind with a barbaric plan.

A church-going entrepreneur is gunned down in his home, and as Spokane investigators dig into his business they discover a desperate man hell-bent on success.

When a divorced mother of five is brutally strangled, Washington State detectives believe her dating history is the key to finding her killer.

A 36-year-old single mother of 8-year-old triplets is found strangled to death in her home in Washington State.

If only he’d kept his mouth shut, Desiree Sunford’s cold-blooded killer would have gotten away with murder.

Gunned down in his bed, a former marine ignited fury in his colleagues and left a string of broken hearts in his wake.

An Arizona yoga instructor is gunned down, and a critical shift in the timeline ultimately leads to a nationwide manhunt.

It’s not the message written in blood, but a pizza delivery that ultimately leads Florida detectives to a woman’s killer.

An ambitious and successful Russian woman with many admirers is gunned down in the garage of her suburban Texas home.

A small Wisconsin town is shattered by a shocking double homicide with a suicidal finish.

A charming South Carolina man is gunned down and it turns out there are plenty of people who would have wanted him dead.

A homemade car bomb claims the life of a business tycoon and it will take Tucson detectives a decade to track down his killer.

A Memphis woman is found dead in the back of her truck and with a four-karat diamond ring still on her finger it’s clear that robbery was not the motive.

When a Miami businessman goes missing, detectives uncover a mangled body in the Everglades and a dark secret with fatal consequences.