The scale of U.S. training and equipping of other nations’ militaries has grown exponentially since 2001, but there are major concerns about the extent to which the U.S. government is implementing the laws and monitoring the impact its military aid is having on human rights. This report by the Fellowship of Reconciliation (FOR) and U.S. Office on Colombia examines these issues through a detailed case study of U.S. military aid, human rights abuses, and implementation of human rights law in Colombia.