UFO Witness: Ben Hansen's Top Alien Investigations 10 Photos
From crime scenes to extraterrestrial encounters, Ben Hansen’s unique skill set and passion for the paranormal has led him to some truly bizarre situations. Catch Hansen’s jaw-dropping investigations on discovery+.

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About the show
Former federal agent Ben Hansen is on a mission to uncover the truth behind UFO sightings across America. With unprecedented access to the archives of the late Dr. J. Allen Hynek, chief scientific adviser of Project Blue Book, Ben unlocks the secrets of the past to shed light on today's UFO encounters.