A rather long but good article laying out the tactics of the socialist left. 

American Minute with Bill Federer

“We have seen the treacherous use of the ‘fifth column’ by which persons were actually a part of an enemy unit of occupation …

… These trouble-breeders have but one purpose. It is to divide our people into hostile groups and to destroy our unity and shatter our will to defend ourselves.”

– Franklin D. Roosevelt…

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