Information released from FBI in pursuit for knowledge of new D. B. Cooper suspect. Since the infamous heist that took place in 1971, True Crime fanatics and law enforcement alike have speculated who the aliased thief could be, and what the actual motives were behind the robbing.  On November 24, 1971, a man under the fake name of D. B. Cooper boarded flight #305 of Northwest Orient Airlines, Portland, Oregon. Not much later than 3:00 in the afternoon, he alerted a stewardess