Former FBI Director Robert Mueller, special counsel on the Russian investigation, leaves following a meeting with members of the US Senate Judiciary Committee at the US Capitol in Washington, DC on June 21, 2017. / AFP PHOTO / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)

Special Counsel Robert Mueller could gag President Donald Trump if he criticizes and attempts to influence the investigation into alleged collusion between the Trump camp and Russia, according to a Watergate prosecutor.
The president lashed out at George Papadopoulos on Tuesday, after court records revealed that the former campaign aide pleaded guilty to lying to the FBI – indicating that he is cooperating with Mueller’s investigation.
Special counsel Robert Mueller’s investigation into alleged Russian interference aligns with the departure of Tony Podesta from his lobbying company. Alex Wong/Getty Images
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According to an FBI affidavit, Papadopulos attempted to broker a meeting between the Trump campaign and Kremlin officials several times during the election campaign.
“Few people knew the young, low level volunteer named George, who has already proven to be a liar,” …