Snapped: Killer Couples, Jeffrey Mundt and Joey Banis

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

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.

A 61-year-old farmhand is found murdered in his home on the outskirts of the Ozarks. A strange text message points to a suspect, but the investigation quickly diverges after a duo on the run is exposed, resulting in a fatal shootout in Mississippi.

A 61-year-old farmhand is found murdered in his home on the outskirts of the Ozarks. A strange text message points to a suspect, but the investigation quickly diverges after a duo on the run is exposed, resulting in a fatal shootout in Mississippi.

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.

When RV-lifestyle couple James and Michelle Butler go missing while camping along the southern coast of Texas, the discovery of human remains leads authorities to embark on an international manhunt to bring the fugitives to justice.

After a father is reported missing, a body is discovered in a remote Texan swamp. Investigators are faced with several possible suspects as complex family dynamics come into playthat expose a secret betrayal.

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.

Hunters stumble across a young woman's decaying body wrapped in fabric, launching an investigation across several counties in Florida. Horrific rumors quickly swirl and a night of partying that morphed into an act of desperation is revealed.

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.