Good Morning America” co-anchor Robin Roberts interviews former first lady Michelle Obama in a new ABC News Studios special, ...

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 ...

Join Michelle Obama and Robin Roberts, as they discuss the former first lady's style evolution in a "Special Edition of 20/20 ...

A woman's life is turned upside down by a stalker in the season 48 premiere of "20/20" which is airing on Friday, September ...

Jessica Currin disappeared in the small Kentucky town of Mayfield in 2000, but the man serving a life sentence in her murder ...

When a South Carolina father vanished, police had no idea it would lead to the discovery of a shocking affair, a body found in a river and allegations of child abuse.

Dateline and 20/20 sometimes cover the same case, and how they approach the story reveals the key differences in both true ...

A Colorado mother's stalking nightmare ended in murder when police discovered her husband had posed as her ex-boyfriend, sending threats before killing her at home.

The McStay family disappeared in Southern California in 2010 and were found buried in the Mojave Desert three years later.

Good Morning America” co-anchor Robin Roberts interviews former first lady Michelle Obama in a new ABC News Studios special, ...