Snapped: Killer Couples

When police are called to a seemingly routine domestic disturbance at a mansion in Louisville, a bizarre tale unravels after one man reveals a body is buried in their basement.

As police in Tallahassee, Fla., work to solve the case of a young father gunned down in his apartment, they find evidence of a deadly sexual encounter and uncover a vengeful plot, ultimately proving that blood is thicker than water.

The murder of a beloved schoolteacher takes detectives from Kentucky to Florida where an unexpected romance comes to light. As the investigation unfolds, relationships unravel, and a long con born of greed is unveiled.

A small town in Washington is rocked after a local man is found shot to death in his home. Police wonder if his complicated love life played a role until a string of robberies exposes a dangerous couple with a more sinister motive.

A young man is found shot to death on the banks of a Georgia river.

A house fire in Louisville, Ky., sparks a murder investigation when detectives find two local men brutally stabbed to death. The search for the killer reveals a toxic romance between two lovers willing to risk it all to get what they desire.

An elderly veteran is nowhere to be found after his house suddenly bursts into flames in Tucson, Ariz., causing authorities to kickstart a nationwide manhunt to catch a desperate couple on the run not once, but twice.

After the remains of an elderly woman are discovered in Florida, investigators track down suspects.

When a young man is found shot to death off the side of a road in rural Indiana, the ensuing investigation delves into the dangers of online dating. Authorities ultimately uncover a stunning betrayal fueled by a twisted romance.

A father and daughter are reported missing after evidence of a bloody attack is found in their home. As the investigation unfolds, police interview a trio of suspects and their conflicting stories reveal a twisted plot driven by infatuation.

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria. Given the lack of forced entry, investigators believe he knew his killer and a plot involving marriage fraud surfaces, leading to a deadly crime of passion.

Texas police investigating the stabbing death of a mother uncover a bizarre scene: poisoned pudding, cell phones submerged in water and a bathtub rigged for electrocution. In the end, a disturbing plan is revealed, driven by a young love gone wrong.

Just one month before her wedding, a nurse is shot to death in a reported roadside robbery in rural Arkansas. As investigators work to find the suspects, odd details of the attack are uncovered and a confession paints an entirely different story.

After evidence of a violent attack is discovered in a West Virginia home, the body of a beloved photojournalist is found in the woods. The search for the killer reveals a sordid affair and a murder-for-hire plot with a shocking co-conspirator.