

The United States Attorney General (A.G.) is the head of the United States Department of Justice per 28 U.S.C. § 503, concerned with legal affairs and is the chief law enforcement officer of the United States government. The attorney general is considered to be the chief lawyer of the U.S. government. The attorney general serves as a member of the president's cabinet, and is the only cabinet department head who is not given the title secretary.
The attorney general is nominated by the President of the United States and takes office after confirmation by the United States Senate. He or she serves at the pleasure of the president and can be removed by the president at any time; the attorney general is also subject to impeachment by the House of Representatives and trial in the Senate for "treason, bribery, and other high crimes and misdemeanors."
https://en.wikipedia.org/wiki/United_States_Attorney_General http://www.justice.gov/