有没有人知道美国的司法机构构成啊？

United States Department of Justice

　　The United States Department of Justice (DOJ) is a Cabinet department in the United States government designed to enforce the law and defend the interests of the United States according to the law and to ensure fair and impartial administration of justice for all Americans. It is administered by the United States Attorney General, one of the original members of the cabinet.

　　Operating units:

　　Antitrust Division
　　Asset Forfeiture Program
　　Bureau of Alcohol, Tobacco, Firearms, and Explosives (BATFE or ATFE)
　　Civil Division
　　Civil Rights Division
　　Community Oriented Policing Services (COPS)
　　Community Relations Service
　　Criminal Division
　　U.S. DOJ Office of Special Investigations(OSI)
　　Drug Enforcement Administration (DEA)
　　Diversion Control Program
　　Environment and Natural Resources Division
　　Executive Office for Immigration Review
　　Exe