Dorfman was supposed to work on the night shift at the La Moneda presidential palace the night before the Pinochet coup .
Dorfman had swapped Dorfman 's shift Dorfman 's his friend Claudio Jimeno , not knowing what was to come .
Dorfman was supposed to work on the night shift at the La Moneda presidential palace the night before the Pinochet coup , but he had swapped his shift with his friend Claudio Jimeno , not knowing what was to come .