Passage: After receiving his Juris Doctor in 1973 from the University of Virginia School of Law, Mueller worked as a litigator at the firm Pillsbury, Madison and Sutro in San Francisco until 1976. He then served for 12 years in United States Attorney offices. He first worked in the office of the U.S. Attorney for the Northern District of California in San Francisco, where he rose to be chief of the criminal division, and in 1982, he moved to Boston to work in the office of the U.S. Attorney for Massachusetts as an Assistant United States Attorney, where he investigated and prosecuted major financial fraud, terrorism and public corruption cases, as well as narcotics conspiracies and international money launderers.After serving as a partner at the Boston law firm of Hill and Barlow, Mueller returned to government service. In 1989, he served in the United States Department of Justice as an assistant to Attorney General Dick Thornburgh and as acting Deputy Attorney General. James Baker, with whom he worked on national security matters, said he had "an appreciation for the Constitution and the rule of law".In 1990, he became the United States Assistant Attorney General in charge of the United States Department of Justice Criminal Division. During his tenure, he oversaw prosecutions including that of Panamanian leader Manuel Noriega, the Pan Am Flight 103 (Lockerbie bombing) case, and of the Gambino crime family boss John Gotti.In 1991, he declared the government had been investigating the Bank of Credit and Commerce International (BCCI) since 1986 in more-than-usual media exposure. Also in 1991, he was elected a fellow of the American College of Trial Lawyers.In 1993, Mueller became a partner at Boston's Hale and Dorr, specializing in white-collar crime litigation. He returned to public service in 1995 as senior litigator in the homicide section of the District of Columbia United States Attorney's Office. In 1998, Mueller was named U.S. Attorney for the Northern District of California and held that position until 2001.

Question: Where did Mueller earn his Juris Doctor?
University of Virginia School of Law