David Muir and Deborah Roberts bid an emotional farewell on Friday when they revealed a big change to their 20/20 show.

ABC News legends David Muir and George Stephanopoulos secretly loathe one another and are mired in a 'historic' feud, it has been claimed. The two newsmen have been known to have tension and now ...

David Muir and Deborah Roberts' newsmagazine show 20/20 continues to thrive amid major shifts for ABC News, which recently laid off a large chunk of its staff. Several members of the show GMA3 ...

David Muir has reportedly won the long-running feud with fellow ABC News anchor George Stephanopoulos, according to a TV insider. Oliver Darcy, a former CNN journalist and founder of the news site ...

Heidi Gutman/ABC News David Muir is the anchor and managing editor of ABC World News Tonight with David Muir, the most-watched newscast in the U.S., and co-anchor of ABC’s 20/20. Muir’s ...

A forensic lab in Texas focused solely on cold case investigations is gaining attention for its ability to use powerful DNA testing to help crack unsolvable cases.