Two key witnesses now say they lied about the murder of a young mother in a new episode of “20/20” airing on Friday, October 24.

The new episode will air at 9 p.m. ET on ABC. Those without cable can watch the show for free through FuboTV or DIRECTV , each of which offers a free trial to new users. Sling is another option for streaming the show, and promotional offers are available.

WATCH 20/20 FOR FREE ON DIRECTV

In season 48, “20/20″ continues to combine hard-hitting investigative reports, newsmaker interviews and compelling human interest and feature stories.

What is 20/20 about?

ABC News’ “20/20” is an award-winning primetime program anchored by David Muir and Deborah Roberts. “20/20” features unforgettable, character-driven true crime mysteries, exclusive newsmaker intervi

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