Snapped: Killer Couples

Police are called to a seemingly routine domestic disturbance at a mansion in Louisville, Ky.

Police in Tallahassee, Fla., work to solve the case of a young father gunned down in his apartment.

The murder of a beloved schoolteacher takes detectives from Kentucky to Florida.

A small town in Washington is rocked after a local man is found shot to death in his home.

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

Police in Tallahassee, Fla., work to solve the case of a young father gunned down in his apartment.

An elderly veteran is nowhere to be found after his house suddenly bursts into flames in Tucson, Ariz.

The remains of an elderly woman are discovered in Florida.

A young man is found shot to death off the side of a road.

A 61-year-old farmhand is found murdered in his home on the outskirts of the Ozarks.

A father and daughter are reported missing after evidence of a bloody attack is found in their home.

A professor is found dead inside his Jeep in what appears to be a car accident in Tennessee.

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria.

Texas police investigating the stabbing death of a mother uncover a bizarre scene.

RV-lifestyle couple James and Michelle Butler go missing while camping along the southern coast of Texas.

After a father is reported missing, a body is discovered in a remote Texan swamp.

A nurse is shot to death in a reported roadside robbery in rural Arkansas.

Hunters stumble across a young woman's decaying body wrapped in fabric.

Evidence of a violent attack is discovered in a West Virginia home, the body of a beloved photojournalist.

In the Los Angeles suburbs, a family is brutally attacked in their residence.