> Back in 1937 Comrade Stalin pointed out that as long as the Soviet Union existed amid capitalist encirclement we would have wreckers, spies, saboteurs and murderers sent to our home front by foreign states. [1]

Just change the names and the years and the professions around, and we'll be good to go. The actual existence, non-existence, or prevalence of spies, saboteurs and wreckers is second fiddle to the perception thereof. :)

[1] https://soviethistory.msu.edu/1947-2/xenophobia/xenophobia-t...