A horrific triple child murder leads to an indictment and trial of three nonconformist boys based on questionable evidence.

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1969. Man lands on the moon. Half a million strong at Woodstock....and Led Zeppelin perform in the gym of the Wheaton Youth Center in front of 50 confused teenagers. Or did they? Filmmaker Jeff Krulik chronicles an enduring Maryland legend, of the very night this concert was alleged to have taken place, January 20, 1969, during the first Presidential Inauguration of Richard Nixon. Led Zeppelin Played Here presents a mid-Atlantic version of what was happening nationwide as the rock concert industry took shape. Featuring interviews with rock writers, musicians, and fans, and several who claim they were witnessing history that night.

An investigation into the mysterious world of the crime novelist Agatha Christie, with comments from poison experts, policeman and pathologists and members of her family.

How the inventor of the detective story became his own greatest mystery.

A thrilling comedic documentary attempting to uncover the mystery of who is responsible for one of the most infamous bloopers in cinematic history.

Werner Herzog gains exclusive access to film inside the Chauvet caves of Southern France, capturing the oldest known pictorial creations of humankind in their astonishing natural setting.

An urban mystery unfurls as one man pieces together the surreal meaning of hundreds of cryptic tiled messages that have been appearing in city streets across the U.S. and South America.

Examining one of the most baffling unexplained deaths of recent years. In August 2010, Gareth Williams, a GCHQ employee on a 3-year secondment to MI6, was found dead inside a padlocked duffle bag in the bath of his London flat.

An account of the life and work of the famous Mexican journalist Manuel Buendía (1926-84) that seeks to unravel his murder and the links between Mexican politics and drug trafficking.

August 16, 1977. All of America was stunned by the news of Elvis Presley's untimely passing. Some went so far as to believe that it couldn't be true. Somehow he had faked his death. For the executives at Sun Records that fantasy became an opportunity in the form of Orion, a mysterious masked performer with the voice of The King. First appearing in 1979, Orion recorded 11 albums and performed live to packed houses and rapturous fans around the nation. But who was the man behind the mask? In this stranger-than-fiction true story, Jeanie Finlay exposes the incredible life of an unknown singer plucked from obscurity and thrust into the spotlight with the complicity of a manipulative music industry and a public fan base unwilling to let The King go. Resonant in its themes of identity, fate, and the double-edged nature of fame, Orion is a stylish mystery story that finally gives a name and a face to a gifted artist who had been unjustly deprived of both.

In Summer 2008, a mysterious submarine, German U-boat U-455 is discovered off the coast of Italy at 120 meters deep. For Lorenzo del Veneziano, an underwater marine archeologist, it's an amazing sight. The U-boat is intact! It stands almost vertically at the bottom of the sea, it's hull stuck in the sediment. What is the story of this ship? The history of U-455 & cause of the sinking are revealed.

Everyone has a skeleton or two in his or her closet, but what about the director behind some of the most successful thrillers ever to hit the silver screen? Could M. Night Shyamalan be hiding a deep, dark secret that drives his macabre cinematic vision? Now viewers will be able to find out firsthand what fuels The Sixth Sense director's seemingly supernatural creativity as filmmakers interview Shyamalan as well as the cast and crew members who have worked most closely with him over the years. Discover the early events that shaped the mind of a future master of suspense in a documentary that is as fascinating as it is revealing.

Explore the mysterious giant rings of the Mediterranean, buried at a depth of 120m, with the world-famous Laurent Ballesta, world-renowned diver and his team, to understand the origin of these unique and unknown formations.

They're always watching you. Humanity has only resided on Earth for a fraction of the planet's incredibly long history, and many believe that a species known as the Krepid vastly predate humankind - and are still with us today. The Krepid need to consume us to survive, but most believe they also enjoy the hunt. Join us as we explore the terrifying, secret world of the Krepid.

Two friends, Don and Dave were diving in the cave of Boesmansgat: 283 meters. Right before surfacing up, Dave - who'd just broken a world record - finds a body. They decide to dive back and retrieve it.

Frame 313 examines several theories that have been offered about who was responsible for the JFK Assassination including the single bullet theory, the CIA/Mafia theory, the Soviet Union/KGB theory, the Mafia hit theory, and the CIA/Anti-Castro theory.

Join high school-aged girls from around the world as they try to better their community through technology and collaboration in this thrilling, heartfelt documentary. By 2017, the app market will be valued at $77 Billion. Over 80% of these developers are male. The Technovation Challenge aims to change that by empowering girls worldwide to develop apps for an international competition. From rural Moldova to urban Brazil to suburban Massachusetts, CODEGIRL follows teams who dream of holding their own in the world’s fastest-growing industry. The winning team gets $10K to complete and release their app, but every girl discovers something valuable along the way.

It is the world's most mysterious manuscript. A book, written by an unknown author, illustrated with pictures that are as bizarre as they are puzzling - and written in a language that even the best cryptographers have been unable to decode.

Based on Lee Smith's book of the same name, this documentary follows the story of the biggest political scandal in U.S. history.