"But ATF wasn’t working alone on the case known as “Fast and Furious.” Documents show ATF had conference calls with “DHS” (Homeland Security). “USMS” (U.S. Marshals) and DEA. An “ICE,” or Customs agent, was on ATF’s Fast and Furious team. They were advised by an “AUSA,” or Assistant U.S. Attorney under the Justice Department."