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WASHINGTON, DC - OCTOBER 28:  Former FBI director Robert Mueller attends the ceremonial swearing-in of FBI Director James Comey at the FBI Headquarters October 28, 2013 in Washington, DC. Comey was officially sworn in as director of FBI on September 4 to succeed Mueller who had served as director for 12 years.  (Photo by Alex Wong/Getty Images)
WASHINGTON, DC - OCTOBER 28:  Former FBI director Robert Mueller attends the ceremonial swearing-in of FBI Director James Comey at the FBI Headquarters October 28, 2013 in Washington, DC. Comey was officially sworn in as director of FBI on September 4 to succeed Mueller who had served as director for 12 years.  (Photo by Alex Wong/Getty Images)

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    Special counsel named in Russia investigation

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Special counsel named in Russia investigation

The Justice Department appointed former FBI Director Robert Mueller as special counsel to oversee the federal investigation into Russian interference in the 2016 election. CNN's Pamela Brown reports.

Special counsel named in Russia investigation

The Justice Department appointed former FBI Director Robert Mueller as special counsel to oversee the federal investigation into Russian interference in the 2016 election. CNN's Pamela Brown reports.