Robert Mueller served as FBI director from 2001 to 2013 and led the investigation into allegations of Russian meddling in the 2016 presidential election.

By Will Dunham WASHINGTON, March 21 (Reuters) - Robert Mueller, the no-nonsense former FBI chief who documented Russia's interference in the 2016 U.S. election and its contacts with Donald Trump's campaign but opted not to bring criminal charges against a sitting president,

Robert S. Mueller III, the FBI director who transformed the nation’s premier law enforcement agency into a terrorism-fighting force after the Sept. 11, 2001, attacks and who later became special counsel in charge of investigating ties between Russia and Donald Trump’s presidential campaign,

As special counsel, Mueller investigated ties between Russia and Trump's 2016 presidential campaign.

Robert Mueller III, the second-longest serving FBI director in the agency's history, who later served as the special counsel who oversaw the investigation into Russian interference in the 2016 election,

Robert Mueller's role as special counsel permanently stained his legacy. The Russiagate investigation resulted in a partisan witch hunt that found no collusion.

Treasury Secretary Scott Bessent defended President Donald Trump after the president posted that he was "glad" Robert Mueller had died. Trump Comments On Mueller's Death On Sunday, Bessent appeared on NBC's Meet the Press and said,

Former Special Counsel Robert Mueller testifies before the House Judiciary Committee about his report on Russian interference in the 2016 presidential election in the Rayburn House Office Building July 24,

Former President Barack Obama sparked a social-media firestorm with his post praising former FBI Director Robert Mueller’s “commitment to the rule of law” after his death Saturday. Mueller, who died at 81 on Friday night,