Mark David Chapman Videos
Dec. 9, 1980: John Lennon killed
The former Beatle was shot by Mark David Chapman outside Lennon's apartment building in New York City.
ARCHIVAL VIDEO: John Lennon Killed in 1980
Dec. 8, 1980: Lennon was shot and killed outside his New York City apartment building.
Barbara Walters Introduces New Series 'American Scandals'
Walters discusses revisiting the biggest stories she's covered in her new Investigation Discovery series, "Barbara Walters Presents American Scandals."
Killers and Sex: Barbara Walters' Toughest Questions
Act 6: From convicted murderers to questions on sexual orientation, questions that even shocked her.
World News (08.23.12)
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John Lennon's Killer Denied Parole for 7th Time
Mark David Chapman, 57, shot the Beatles singer outside his New York apartment in 1980.
John Lennon's Killer Mark David Chapman Up for 7th Parole Hearing
Chapman is serving a 20 year to live sentence for shooting the Beatles singer.
Model Battles 'Facebook Stalker'
Her tweets and photos online earned her fans, including a man who made threats.
Understanding Killers' Madness
Imagine coming home from grocery shopping to find police cars at your house already putting up yellow crime scene tape. That is reportedly how the parents of alleged killer lost found out what happened in Tucson. And my colleague Barbara Walters joins me now with more on this story Barbara You
Dangerous Lone Wolf Killers
A week ago no one had heard off. After a shooting spree at a community event held by congresswoman Gabrielle Giffords in Tucson Arizona. Killed six and wounded thirteen others including the congresswoman herself. Laughter has quickly been compared with the infamous murderers who sought notoriety.