What can explain this relentless drive, and what triggers violence in the mind of a stalker? Dr. Stone is exploring four cases of notorious stalkers. Richard Farley was fired from his company for sexually harassing a female employee. He would eventually return to the workplace killing 7 workers and injuring another four. Robert John Bardo shot and killed actress Rebecca Schaeffer at her California apartment. He has been stalking her since the first time he saw her in a film. Mark David Chapman shot and killed musician John Lennon at his apartment. He worshiped the Beatles until he turned against them based on his fanatic religious background. Gerald Atkins wanted to marry a woman he met at a Wixom, Michigan bar. When she rejected him, he believed this decision was influenced by her colleagues. He eventually shoot-up the jewelry store, killing the manager and wounding three other people.
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