The story of a double murder that was both shocking.. and puzzling. There were no witnesses and few clues.

This is a story that calls to mind the master of suspense: A plot straight out of an Alfred Hitchcock film.

John Gotti was one of the 20th century's most infamous mobsters. But Angel, Victoria and Petter Gotti knew a very different side of him: he was their father. The three Gotti children tell a story the public has never before heard.

In Season 2 of Our America, Lisa Ling explored the shadowy underworld of domestic human sex trafficking in America's capital. In 3AM Girls: One Year Later, she returns to the streets to check in with these girls, and see what - if anything - has changed.

In the nation's heartland, one leader cries out with a radical message of spiritual martyrdom. Lisa goes inside this new religious movement where members claim to hear the voice of God, and explores what the future holds for its followers.

When we send our children to shool or after-school programs, we entrust their lives to supposedly trustworthy people. In this episode, Lisa Ling examines stories of stolen innocence, and the pattern of inaction that can create a lifetime of pain.