Correspondent Bob McKeown gets bitten by a shark in an excerpt from one out of four multi-part reports on sharks in conjunction with Discovery's "Shark Week."
Interviews with longtime friends of Michael Jackson, a plastic surgeon and a retired police detective who probed sex abuse allegations made against the pop star.
A son videotapes his drug-addicted father in an attempt to get him to quit; a family goes through an emotional battle trying to help an out-of-control son.
Did one of the nation's largest pharmaceutical companies put patients at risk by touting the drug Neurontin for unapproved uses? The episode reveals the results of a yearlong Dateline investigation. Exclusive interviews with whistle blower David Franklin and attorney Thomas Greene.