‘Unsolved Mysteries’: New Documentary Explores History of Iconic True-Crime Series

Robert Stack for 'Unsolved Mysteries'
NBC/courtesy Everett Collection
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In 1987, actor Robert Stack put on his trenchcoat for a series of NBC specials that eventually turned into the iconic true crime series Unsolved Mysteries.

The program was popular enough that it began as a regular series later the next year, premiering Oct. 5, 1988. Who knew it would become one of the longest running programs in the history of television and also kickstart one of the most popular television genres that currently exists?