"Minute Order as to George Papadopoulos… it is hereby ordered that sentencing is set for September 7, 20018," the document said on Thursday.
Papadopoulos pleaded guilty on October 5 to making false statements to the FBI about contacting Russians while working on Trump's campaign.
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Previous year Trump referred to George Papadopoulos as a "liar," while addressing indictments against his former campaign manager Paul Manafort and his business partner.