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Robert Mueller, who led the Federal Bureau of Investigation from 2001 to 2013, died March 20, 2026, at the age of 81.
His exceptionally long tenure in the FBI began just days before the terrorist attacks on September 11, 2001, and he worked to build a stronger and more modern FBI in the wake of those attacks. Several years after leaving his FBI post, he returned to prominence as special counsel to the Department of Justice as it investigated alleged Russian interference in the 2016 presidential election.
Born August 7, 1944, in New York City, Mueller grew up in Princeton, New Jersey and the Philadelphia area. He graduated from St. Paul's School in Concord, New Hampshire before attending Princeton University for his undergraduate studies. He went on to receive a master's degree in international relations from New York University and a Juris Doctor from the University of Virginia School of Law.
Mueller joined the U.S. Marine Corps in 1968 and served in the Vietnam War. He was given a Bronze Star with a V for valor after risking his own life to save a wounded Marine under enemy fire. He also received the Purple Heart, National Defense Service Medal, and Vietnam Service Medal, among other military decorations. When he left military service in 1970, he was a captain.
Before entering government service, Mueller worked in private practice as a lawyer in San Francisco. It was there that he entered public life, first working in the office of the U.S. Attorney for the Northern District of California. He relocated to Boston to serve as an assistant U.S. Attorney, and in 1990, he was named U.S. Assistant Attorney General with the U.S. Department of Justice Criminal Division.
Mueller was nominated for the position of FBI director by President George W. Bush in 2001. He was unanimously confirmed for the position by the U.S. Senate, and he began serving on September 4, 2001. As the September 11 terrorist attacks rocked the U.S., he worked to transform the FBI into an agency that was capable of responding more nimbly to threats of terrorism. At the same time, he prioritized preserving the civil liberties of U.S. citizens even as counterterrorism efforts and technological advances encroached on their privacy.
The term limit for FBI directors is 10 years, a limit imposed after the 48-year term of J. Edgar Hoover ended in 1972. Mueller was the first and, to date, only director to remain in the position that long – and in fact, he served even longer. When his 10 years would have come to an end in 2011, President Barack Obama asked him to stay on for two more years. He agreed, remaining in the position through September 4, 2013.
After his time with the FBI, Mueller returned to the private sector, first working as a consulting professor at Stanford University and then returning to the practice of law. But he didn't remain out of the public eye for long. In 2017, he was appointed special counsel to the U.S. Department of Justice as it undertook the investigation into possible Russian interference in the presidential election. He spent close to two years on the investigation, issuing his Mueller Report in 2019.
Mueller concluded that Russia had interfered in the election, and he noted of President Donald Trump, "While this report does not conclude that the President committed a crime, it also does not exonerate him." As his findings were challenged, Mueller maintained that he had conducted his investigation based on the facts and the law.
In later years, Mueller co-taught a course on the investigation at the University of Virginia School of Law, and he wrote the preface to the book "Interference: The Inside Story of Trump, Russia, and the Mueller Investigation." He was diagnosed with Parkinson's disease in 2021, which his family revealed several years later.
Mueller is survived by his wife, Ann; daughters, Cynthia and Melissa; and five grandchildren.
By Linnea Crowther (www.legacy.com)