Transnational Criminal Organizations (TCOs) require a steady supply of firearms and ammunition to assert control over the territory where they operate, eliminate rival criminal organizations and resist government operations. HSI is focused on disrupting the illicit flow of firearms, firearms components and ammunition from the United States to other countries. HSI special agents investigate individuals and criminal organizations that are responsible for the financing, procurement, brokering, transportation and dissemination of firearms in support of TCOs. These efforts take weapons off the streets of our communities and prevent the smuggling of U.S. arms to other countries where they can be used to commit acts of violence. In addition to small arms and ammunition, HSI also utilizes its customs authorities to prevent the illegal export of arms and strategic weapons systems to state actors and terrorist groups around the world.