Conspiracy theories, mysteries, secrets and the forbidden are probed with a fresh set of eyes as ``American Declassified'' delves into the hidden side of the United States. Investigators including former CIA officer Mike Baker, geoscientist and radiological engineering consultant Ben McGee, and investigative reporter Michele McPhee go on location to examine stories and events using new evidence, unprecedented access and never-before-heard-from witnesses. The hourlong episodes incorporate scientific methods, forensics and state-of-the-art surveillance technology to gain new insight into John F. Kennedy's assassination, the D.B. Cooper hijacking case, most-wanted mobster Whitey Bulger's life on the lam, and a rumored doomsday bunker under a major U.S. airport, among other stories. Locals and eyewitnesses also share their accounts of strange sightings, weird goings-on and unexplained phenomena.