The surveillants: more U.S. intelligence officers who watched Oswald

Bill writes:

"I am appreciating your insistence that Oswald was under surveillance, pursuant to LINGUAL, AMSPELL, and LIENVOY."

(Here and above: Detaild from a recently declassified 1975 Senate memo about the dates that certain U.S. citizens were subject to James Angleton's mail surveillance program, known by the code name LINGUAL)

"It occurred to me that …