LIFETIME | 9:00 pm
This new episode features an extended interview with Holly Nivens, the former cellmate of Shayna Hubers, who was convicted in the fatal 2012 shooting of her boyfriend, Ryan Poston. Nivens reveals how Hubers manipulated her into believing her story that Hubers committed the crime in self-defense, but later opened up and revealed new details about the murder, including Hubers' motive. Another former Hubers cellmate, Cecily Miller, describes Hubers' need for constant attention, adding that she never expressed any remorse for killing Poston. Angie Harmon narrates.