Robert Schwartz, a father of three, is murdered brutally in his own home - stabbed 32 times with an X carved into his neck. It looks like a ritualistic killing, but the investigation will uncover a killer much closer to home...

When 39-year-old Dawn Viens goes missing in 2009, her husband assumes she ran away to escape her problems. But the investigation will lead detectives to a most unexpected killer. They've heard of disposing of a body, but never like this...

Randy Scheffield's family finds him dead in his bed, and their first thought is a heart attack. But detectives will slowly uncover a murder conspiracy that will rock this small town for years to come...

Atlanta pre-school teacher Julie Love goes missing just a week after getting engaged to her boyfriend Mark. Detectives uncover numerous suspects, but the evil truth is worse than they ever could have imagined...

Star Washington Redskins safety Sean Taylor is shot dead by an intruder in his Miami home. And when it comes to the rich and famous, it seems like everybody has a motive...

Ann Anastasi returns home from shopping to find her husband, Anthony, lifeless in bed, a gun beside him. Police soon find a second victim, Jacqueline Riggs, in the basement, stabbed to death. What happened here is a dark tale of love, lust and violence.

The body of 20-year old student Sandra Bonaventure is discovered in a garbage bag, on the sidewalk in New York City. The trail of clues will eventually lead detectives to a cold-hearted killer, with an astonishing talent for deception.

The strangled body of 47-year-old mother, Joyce Aparo, is found off the side of the road 70 miles from her home in Glastonbury, Connecticut. The investigation will lead detectives into a dark world of abuse, sexual obsession and lies.

Jeffrey Locker, a 52 year-old successful motivational speaker, is found stabbed to death in East Harlem. Detectives first suspect Locker was in the wrong place at wrong time. The truth, they will learn, is far more complex and shocking.

A car races up to the ER of a Westchester hospital. Carlos Perez-Olivo, the driver, has been shot in his side and his wife, Peggy has been shot in the head. What horror has befallen this couple? The answer will challenge even experienced investigators.

After Christmas in 2003, on Whidbey Island off the coast of Washington State, Russel Douglas is found shot in the head, in his car along a deserted road. It's the start of a case that will take a decade to solve, and leave many with lingering questions.