Snapped: Killer Couples

“I am sorry for what happened, and I wish I could turn it back, but I can’t,” Tabitha Messina said in her first interview since she was convicted of her father’s murder on Snapped: Behind Bars.

Tabitha Messina and Carlos Christopher used an ax and a crowbar to viciously execute a couple in the Cleveland suburbs. 

When honors student Monica Diaz, 16, met boyfriend Michael Naranjo, 17, in a high school ROTC program, their connection quickly turned sinister.

A criminal fell hard for a suburban mom and was willing to do her bidding — even if that meant murder, as seen on Snapped: Killer Couples.  

When a Gulf War vet and his girlfriend befriended a “beautiful” but troubled teenager in a local bar, jealousy led to murder on Snapped: Killer Couples.

“Sometimes you can be sleeping with a snake and don’t even know it,” said the family of slain nurse Carla Knowlton on Snapped: Killer Couples.

Take a look back at the 2010 case of 24-year-old Jennifer Pan, a woman accused of trying to have her overbearing parents killed, as once featured in Oxygen's Snapped: Killer Couples. 

When an accomplice to murder "crumbled like a rose petal in August and confessed," the deadly dynamics of Patricia Sexton and her Texas clan shocked police.

“She trusted in him, and she figured he’s done some things, but [was] willing to look past it in the name of love,” childhood friend Dylan Aller said on Snapped: Killer Couples of Amanda Noverr, who helped her husband murder retirees on vacation.

The murder of Susan Bailey was sparked by a complicated relationship among teenagers that involved threesomes and drinking each other's blood.