Monday

A teenage girl is involved in a murder mystery after her older boyfriend is attacked and dies.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

An Indiana mother is found asphyxiated in her basement gym.

The investigation into the death of Spokane, Wash., businessman exposes a web of malevolence extending from the Pacific Northwest to a North Dakota oil field.

A successful and vibrant computer programmer in the 1990s, 36-year-old Lisa Valdez is stabbed dozens of times in her San Francisco condo.

In Texas, a beloved grandmother with a five-million-dollar life insurance policy is worth more dead than alive.

When one of its employees is bludgeoned to death, a giant pharmaceutical conglomerate in Kentucky becomes the site of a real-life murder mystery.

After 31-year-old Mitchell Jones is savagely stabbed in his Atlanta home, detectives turn to geo-fencing technology to unravel a crime of passion with a dark heart.

Snow plow king Randy Scheffield is shot dead in his bed, and as Ohio detectives look to Randy’s business to establish a motive, it’s the timeline that proves critical—and every minute counts.

In Portland, Maine, factory worker Cary Scott is relieved to find his missing SUV in a motel parking lot two months after it goes missing. That is, until he discovers the badly decomposed body of his estranged wife, Margarita, in the back seat.

Using DNA testing and a photographer's diary, a retired detective reopens a cold case involving the death of a beautiful young mother.

Investigators try to piece together events that led to a woman being found on the side of the road covered in blood and severely brain damaged.