A&E Real Crime spoke with David Hall, a Florida-based forensic botanist who has worked on hundreds of criminal cases, to discuss the information plant life leave behind. And watch a video on how tree DNA helped solve a murder.
In her new book, The Manson Women and Me: Monsters, Morality, and Murder, journalist and therapist Nikki Meredith delves into the psychologies of two of Manson's most infamous followers: convicted murderers Leslie Van Houten and Patricia Krenwinkel. She tells A&E Real Crime what the women are like today.
Psychologist Al Carlisle, who was part of a diagnostic team at Utah State Prison who evaluated Ted Bundy, talks about the serial killer's lonely childhood, participation in illegal activities at a young age and strong desire to control women, which Carlisle believes led to his psychopathic tendencies as an adult.