Robert Mueller III is an American government official and lawyer who served as the 6th director of the FBI from 2001 to 2013. Mueller served as the special counsel for the U.S. Department of Justice. He had to oversee the investigation into Russian interference in the Trump campaign and any other matters that arose from the investigation. In March of 2019, Mueller finished the investigation and submitted the Mueller Report. He stepped down as special counsel at the end of May 2019 and testified in front of Congress on July 24, 2019.