In October 1967 the Marxist revolutionary Che Guevara was captured and killed in Bolivia. He had gone there to try to organise a Cuban-style revolution. Mike Lanchin has spoken to Felix Rodriguez, the CIA operative who helped track him down, and was one of the last people to speak to him.(Photo: Felix Rodriguez (left) with the captured Che Guevara, shortly before his execution on 9 October 1967. Courtesy of Felix Rodriguez)