In May 1975, ERP representative Amilcar Santucho was captured trying to cross into Paraguay to promote the JCR unity effort. As a way to save himself, he provided information about the organization to Secretaría de Inteligencia (SIDE) agents that enabled Argentine security agencies to destroy what was left of the ERP, although pockets of ERP guerrillas continued to operate in the heavily wooded Tucuman mountains for many months. The case, during which an FBI official transmitted information obtained from the prisoners (Amilcar was detained along with a MIR member) to the Chilean DINA, was one practical operation of Operation Condor, which had started in 1973