An Unexpected Killer

Nicole VanderHeyden and her boyfriend, Doug Dietrie, were out with friends when they got in a huge fight and she stormed off. The next morning, her body was found brutalized in a field.

Jackie and Carl Gaimari had an untraditional but loving relationship when two burglars killed him in 1979. But 30 years later, her sister helped police prove there was more to the story.

Danielle Jennings went home for lunch in the middle of a tough work day. Her fiancé found her dead on their bed a few hours later.

When Florida grandmother Ann Trexler got mad that her daughter, Tina, might lose custody of her beloved grandchild, she worked with her hairdresser's boyfriend, Tony Perez, to make sure her former son-in-law could never go back to court.