Authorities theorized that after Marian Parsons turned down her friend, Debra Henderson, for another loan, Henderson put ketamine in her coffee and killed her.
Office manager Linda Culbertson executed a deadly plot to murder her boss, attorney Donald Pierce, Jr., but when the hitman got cold feet, she picked up a shotgun and delivered the final bullet.
Letti Strait gunned down her ex-husband, Charlie Cammisano, after he discovered that she had been collecting SNAP benefits in their children's names, despite not having custody of them.
Kenneth Wayne Coates' relationship with Wanda Haithcock appeared vibrant and fun at first, but it eventually crumbled. When they began arguing over shared assets following their breakup, their relationship turned deadly.
After realizing that his father, John Rafter Jr., forgot to wake him up for school, his 13-year-old son walked into his bedroom and was met with a grisly crime scene.
Dubbed “Mommy and Clyde," Sante Kimes and her son, Kenny Kimes, were involved in a string of crimes across the U.S. until they were finally captured in the late 1990s.