WASHINGTON (AP) — The sons of a Cold War scientist who plunged to his death in 1953 several days after unwittingly taking LSD in a CIA mind-control experiment sued the government Wednesday. They claimed the CIA murdered their father, Frank Olson, by pushing him from a 13th-story window of a hotel — not, as the CIA says, that he jumped to his death.

Sons Eric and Nils Olson of Frederick, Md., sought unspecified compensatory damages in the lawsuit filed in federal court, but their lawyer, Scott D. Gilbert, said they also want to see a broad range of documents related to Olson’s death and other matters that they say the CIA has withheld from them since the death.

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