Haitians have all kinds of theories on what seven heavily armed American mercenaries were up to when they were arrested outside the country’s Central Bank at the height of civil disturbances, last month. The mercs were later flown back to the US, where they were released. “What role is our government playing in Haitian affairs, and what would cause the U.S. government to intervene in this case?” asked Jake Johnston, who investigated the matter for the Washington-based Center for Economic and Policy Research.