Robert Mueller, ex-FBI chief who led Trump-Russia investigation, dies at 81

Robert Mueller, the former FBI director who led the high-profile investigation into Russian interference in the 2016 presidential election and potential ties to the Trump campaign, has died at age 81. Mueller served as FBI director for 12 years and later served as special counsel, releasing a comprehensive report on his findings. His death marks the end of a distinguished career in law enforcement and public service.