Amanda Knox Details Difficult Time in Italian Prison

NYPD's Stop-and-Frisk: Racial Profiling or 'Proactive Policing'?

NYPD says its controversial policy keeps the streets safe, but critics say its harassment.

3 More in Custody in Boston Marathon Bombing Case

Bombing suspect Dzhokhar Tsarnaev allegedly bragged to friends about knowing how to build bombs.

Amanda Knox: Diane Sawyer Returns to Crime Scene

In an ABC News exclusive, Knox talks about the evidence presented against her at the murder trial.

Amanda Knox, in Her Own Words

Part 1: ABC News exclusive: Knox talks about where she was the night her roommate was murdered.

Amanda Knox Details Difficult Time in Italian Prison

Part 2: Knox said she contemplated suicide and had panic attacks.

Amanda Knox's Freedom on the Line Again

Part 3: As Knox awaits a return to trial, she talks about how she is spending her time.

Do Guardian Angels Exist?

In moments of terror, people report being comforted by an invisible friend, but is it real?

Billy Ray Cyrus Opens Up About Music, Daughter Miley

Country star talks candidly about his new book, "Hillbilly Heart," and his family.

'Revenge': Behind The Scenes

ABC News' Juju Chang plays herself in an upcoming episode of the hit ABC show.

Robbie Rogers: Why I Decided to Come Out

As NBA's Jason Collins reveals he is gay, one professional soccer player details his journey.

Michael Jackson's Wrongful Death Suit: Billion Dollar Trial?

Four years after the King of Pop's death, his family is taking his concert promoter to court.

Everest Brawl Pits Climbers vs. Sherpas

Guides dedicated to protecting Everest climbers launch attack against them.