Before his appointment as U.S. Attorney, Mr. Taylor served as Counselor to Attorneys General John Ashcroft and Alberto Gonzales from 2002 to 2006 where he oversaw law enforcement operations by U.S. attorneys. He was appointed interim U.S. Attorney for the District of Columbia by Alberto Gonzales on September 22, 2006 and was sworn in seven days later; interim U.S. attorneys do not need to be confirmed by the Senate. Interim U.S. attorneys have no term limit, as a result of an amendment to the law governing interim attorneys included in the USA Patriot Reauthorization Act of 2005; formerly interim appointees had a 120-day term limit, and could be re-appointed (without term limit) at the end of the 120-day term by the chief judge of the district court.
Under , once either the House or the Senate issues a citation for contempt of Congress, it is referred to the U.S. Attorney for the District of Columbia, "whose duty it shall be to bring the matter before the grand jury for its action. It is unclear (as of March 20, 2007) whether Mr. Taylor would fulfill this duty to convene a grand jury, or resist Congress at the direction of Bush or Gonzales.