"Eyewash" is a compartmentalization technique used by intelligence agencies such as the CIA, in which senior spooks intentionally deceive other members of the same group by transmitting internal memos that contain false information.
The Washington Post wrote in 2016 that
“Federal law makes it a criminal offense when a government employee “conceals, covers up, falsifies or makes a false entry” in an official record. Legal experts said they knew of no special exemption for the CIA, nor any attempt to prosecute agency officials for alleged violations. The CIA declined to comment.”
(31 January 2016) 
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