I am a believer that the organs of State Security executed JFK.
But this story?
That the CIA would not have been heavily engaged with a US Marine working in intelligence who defected to the USSR, married a Soviet citizen, AND THEN CAME BACK?
The CIA would have been on LHO like white on rice, JFK or no JFK.
“When any two people know anything in Washington it's a conspiracy''.
F.B.I. for certain. Any number of state, local, and federal agencies should have rounded him up during a visit by the CINC.