The CIA, the US State Department and Henry Kissinger specifically, spearhead Operation Condor to direct the intelligence services of the various South American dictatorships they had established, and/or served as indispensable kingmaker for, in order to target their repression onto anti-capitalist political activists, feminists and labor leaders.
fun fact: in brazil the us-backed dictatorship’s records were never unsealed and most of the people responsible never punished.
we don’t actually know how many people were killed, dissappeared or tortured. just a general sense it was brutal af, and much much worse than the official figures, but no way to actually know.