The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as ATF, is a domestic law enforcement agency within the United States Department of Justice., Agents for the Bureau of Alcohol, Tobacco, Firearms, and Explosives, or ATF, work under the umbrella of the U.S. Treasury Department. A job as an ATF Agent involves investigating violations of laws governing the possession and sale of alcohol, tobacco, firearms, and explosives., ATF agents are required to testify for the federal government in court or before federal grand juries regarding cases they've worked on. Additionally, they may be called upon to assist other law enforcement agencies and departments at the federal, state, and local levels, as needed., From combating gun running to squashing drug cartels, ATF agents investigate the most dangerous criminals. If you're seeking a career that puts your intellectual and physical prowess to the test every day, you may want to learn about what it’s like to be an ATF agent., ATF agents conduct surveillance, execute search warrants, collect physical evidence related to their cases, arrest perpetrators, and interview suspects and witnesses. They may also be called to testify for the Federal Government or before grand juries in a court of law., ATF Agents, or Agents of the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), are federal law enforcement officers who investigate violations of laws related to firearms, explosives, arson, and alcohol and tobacco smuggling..