"The Devil You Know" is a true crime television series that explores the lives of individuals who have committed heinous crimes. Each episode delves into the psychological aspects of the criminals, providing insights into their motivations and backgrounds. The series aims to understand the complexities of human behavior and the circumstances that lead to such actions. The show features interviews with law enforcement officials, family members, and experts in criminal psychology. By examining real-life cases, "The Devil You Know" sheds light on the darker sides of humanity, prompting viewers to reflect on the nature of evil and the impact of crime on society.