John Hinckley Jr.'s obsession with a Robert Denison movie character gave him the deranged idea that murdering a president was the way to Jodie Foster's heart; renowned Forensic Psychologist Reid Meloy and author Del Quentin Wilber provide insight.

Actor Michael Douglas and his wife Catherine Zeta-Jones came face-to-face with their real life stalker, a crazed fan who took violence to new heights.

Hollywood director Steven Spielberg became the target of violent, drug-induced stalker Jonathan Norman who stalked Spielberg's house with handcuffs and a rape-kit; courtroom illustrator Mona Shafer Edwards discusses the courtroom drama.