Notes from a trip in 1976 through Ecuador, Peru, Bolivia, Brazil, Paraguay and Argentina: Prabhu Ghate in Hoof and Wheel: Travels in the Global South
As we approached Salta, several people told us about a small community of Sikhs settled in Jujuy (pronounced hoohooey), a small town further north, up in the mountains on the way to the Bolivian border. The name most often mentioned was that of one Juan Singh. So when we got off the bus, we started asking for him. Uncharacteristically (for a Sikh), he was an assistant in a shop, which took us some time to find. Just as we found it, and were about to enter, an unmarked black car pulled up with some uniformed policemen with guns. They jumped out and asked us to get in. People on the street looked on, but seemed to know what was going on.