Snapped: Killer Couples, Nadya Swartz and Justin Hooker

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.

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.

After a young man is found shot to death on the banks of a Georgia river, investigators trace the murder back to individuals who share his Gothic lifestyle and uncover a romantic rivalry driven by manipulation.

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 with a complex family dynamic. The woman at the center of it tells her story for the first time, revealing details of the harrowing crime.

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 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.

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.

A professor is found dead inside his Jeep in what appears to be a car accident in Tennessee. After evidence at the scene points to foul play, the ensuing investigation exposes secrets of infidelity and a crime motivated by lust and money.

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.

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.

In the Los Angeles suburbs, a family is brutally attacked in their residence, leaving four dead and a mother clinging to life. As police search for answers, suspicion will grow closer to home and unveil a macabre obsession fueled by young love.