The CIA killed one of its own scientists during the Cold War by secretly dosing him with LSD, then claiming his 13-story fall from a hotel window was suicide, the man's sons claim in Federal Court.

Eric and Nils Olson, whose father Dr. Frank Olson was a bioweapons expert with the CIA during the early years of the Cold War, sued the United States, claiming the CIA assassinated their father in 1953 and covered it up.