Former Trump campaign manager Paul Manafort arrives at U.S. District Court in Washington, D.C.

Former Trump campaign manager Paul Manafort and his wife Kathleen arrive for a status conference at the U.S. District Court on December 11, 2017 in Washington, D.C. Former Trump campaign manager Manafort and his business associate Richard Gates were indicted in October when they pleaded not guilty to a 12-count indictment by a federal grand jury, as part of office of Special Counsel Robert Mueller's ongoing Russia investigation. Charges against Manafort and Gates include conspiracy to launder money, conspiracy against the United States and failing to register as foreign agents of Ukraine’s former pro-Russian government. Photos by Kevin Dietsch/UPI