Serving a life sentence for a murder she claims she didn't commit, Teresa Kotomski talks on camera for the first time, sharing the intimate secrets of her rocky marriage and detailing what she now alleges caused her husband's painful poisoning death.

Serving a life sentence for the brutal stabbing of her own mother, Taylor Marks discusses the murder on camera for the first time ever. She claims she wasn't the mastermind behind the crime, but she knows who is.