Although there had been an active communist movement in Latin America since 1919, it had largely been clandestine, and the CIA knew little about the methods that parties like the PGT used.
Meskipun gerakan komunis aktif di Amerika Latin sejak 1919, ini sebagian besar adalah gerakan rahasia, dan CIA sedikit mengetahui tentang metode-metode yang pihak-pihak seperti PGT pakai.