Snapped: Killer Couples - Season 18

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.