When Colombian president Álvaro Uribe extradited more than a dozen paramilitary leaders to the United States on drug trafficking charges, the murderous militia leaders took with them the truth about the thousands of massacres and murders they committed as part of the government's dirty war against guerrillas. But what weighed most heavily into the president's abrupt decision was perhaps the information these death squad leaders were revealing about their intimate collaboration with members of Uribe's governing coalition, the government armed forces, and the private sector.