vanished without a trace of their existence. The Dallas plot was then allowed to unfold smoothly, as if it had no Chicago paradigm. Higher orders ensured the necessary amnesia. A Treasury Department official ordered Chicago Police Lieutenant Berkeley Moyland to forget his encounter with Thomas Arthur Vallee. Secret Service Special Agent in Charge Maurice Martineau sent the top-secret report of the four-man sniper team to Washington headquarters, where it was made inaccessible. But even that subterranean existence of the Chicago report created a problem for the Secret Service three decades
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