Webthe late fbi agent ralph himmelsbach, who led the bureau’s investigation for a decade, believed cooper most likely died somewhere in the northwest woods on. Webthe episode follows d. b. Cooper expert eric ulis, who has spent over 7,500 hours investigating the mystery in his ongoing quest to uncover the identity of the elusive hijacker. A bomb nestled within his bag, its ominous presence marked by four red dynamite. Webno solid suspect has ever been identified. The fbi did everything it could to find out what happened to the man who bought a $20 ticket at. Webone woman in the documentary, jo weber, has spent years convinced that her late husband, duane weber, was the mysterious criminal after he alleged on.
