In this chilling episode of Cold Blood: True Crime, we delve into the shocking case of Sandra Grimes, Mitzy Gaye Smith, and Judy Owen, a mother and her two daughters who conspired to murder a son-in-law with a fatal dose of heroin. This disturbing story explores the dark depths of familial loyalty, betrayal, and the tragic consequences of their actions. Join us as we uncover the events that led to this heinous crime, the investigation that followed, and the impact on all involved.