Caitlin Schunn

Adan Katami and Tikisha Upshaw had a falling out over their joint marijuna dispensery, and police said instead of buying him out, Upshaw thought of a more sinister way to end the partnership. 

Arizona police were baffled when Lynne Carlson was viciously stabbed and left for dead inside her locked room at an assisted living care facility, but the money trail led to her own son and daughter-in-law. 

Police accused Hunter Carlstrom and his pregnant fiancée, Xaveriana Cook, of stealing from and fatally shooting Carlstrom’s coworker, James “Caveman” Sartorelli.

It took police more than a year to make arrests in the murder of Alex Jackson, after they could find no obvious motive for his death.

Family and friends saw the warning signs before Maple Batalia's murder in an upcoming episode of Killer Relationship.

“He snapped. In every sense of the word,” Ilene Lazar told Snapped: Killer Couples as she described her boyfriend’s gruesome actions.

Police said Susan Barksdale betrayed her good friend, Frank Bligh, and helped her husband, Blane, murder and steal from him, before going on the run.

Dale Moneypenny's crime spree started with a fire and ended with two murders and a nationwide manhunt.

Why did Nadya Swartz want her ex-boyfriend, Kenny Bunn, dead? One friend alleged she had a "dark, romantic fantasy" of murder.

In speaking to Liz Rogan and Anthony DePuisaye-Greene's deadly crime spree on Snapped: Killer Couples, Det. Riley McNeal said, "usually you see remorse in situations like that, and Liz is glorifying it and making it romantic in her diary."