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

David Muir was spotted in a small community near the Orlando, Fla., area. So why is he in Orlando? Here's what we know.

Deborah Roberts took to social media to bid farewell to the ABC News building after nearly three decades since she joined the ...

David Muir and George Stephanopoulos have reportedly been at odds for months, over their seniority at ABC news.

Natalie Gilbert and Maurice Cheeks made national news for their chance encounter when 13-year-old Gilbert froze while singing ...

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 ...

David Muir has already had quite a big year, and we still have nearly three months left before it ends! Between marking ...

In a "20/20" special report, David Muir weaves together two decades-long probes. In 1988, 19-year-old Cathy Swartz was a young mother living with her fiancé Mike Warner and her 9-month-old baby ...

Fellow longtime anchor David Muir was among the many journalists who shared their surprise with messages bidding Lester farewell (he will be moving to a full-time position on Dateline).