Operation Condor: the cold war conspiracy that terrorised South America

A shocking cross-governments system that caused the tragedies of many, and took decades to be unveiled. During the 1970s and 1980s, eight US-backed military dictatorships jointly plotted the cross-border kidnap, torture, rape and murder of hundreds of their political opponents. Now, some of the perpetrators are finally facing justice. Giles Tremlett explores in the Guardian.