The two criminal trials of Paul Manafort were the first cases brought to trial by the special counsel's investigation into Russian interference in the 2016 presidential election. Manafort served as campaign chair for the Donald Trump 2016 presidential campaign from June 20 to August 19, 2016.In July 2017, the FBI conducted a raid of Manafort's home, authorized by search warrant under charges of interference in the 2016 election. Manafort and his business assistant Rick Gates were both indicted and arrested in October 2017 for charges of conspiracy against the United States, making false statements, money laundering, and failing to register as foreign agents for Ukraine. Gates entered a plea bargain in February 2018.