In May 2007, three-year-old Madeleine McCann vanished from a holiday resort in Portugal. Now, German police believe they know who is responsible for the crime. Interviews with investigative journalists explore this new suspect.
Teams of experts from around the globe come together to solve some of history's greatest mysteries. Jake Norton finds who got to the top of Everest first, Whitny Braun determines the authenticity of a photo of Abraham Lincoln on his deathbed and more!