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COINTELPRO (syllabic abbreviation derived from Counter Intelligence Program) (1956–1971) was a series of covert and illegal projects conducted by the United States Federal Bureau of Investigation (FBI) aimed at surveilling, infiltrating, discrediting, and disrupting domestic American political organizations.
COINTELPRO operations were initiated against various organizations, including the Communist Party, Socialist Workers Party (SWP), Puerto Rican Nationalist Party, Black Panther Party (BPP), American Indian Movement, Southern Christian Leadership Conference,
https://www.britannica.com/topic/COINTELPRO