President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE's son-in-law Jared Kushner Jared Corey KushnerAbraham Accords: New hope for peace in Middle East Tenants in Kushner building file lawsuit alleging dangerous living conditions Trump hosts Israel, UAE, Bahrain for historic signing MORE directed former national security adviser Michael Flynn to lobby foreign officials ahead of a December 2016 United Nations (U.N.) vote that condemned Israeli settlements, according to The Wall Street Journal.

When Flynn pleaded guilty to lying to the FBI in December, court documents stated that “a very senior member of the Presidential Transition Team” had “directed Flynn” during the transition period to “influence those governments to delay the vote or defeat the resolution." That "very senior member" was Kushner, according to The Wall Street Journal.

The lobbying efforts failed, and in December of 2016 the U.N. voted to condemn a new wave of Israeli settlements as a "flagrant violation" of international law with "no legal validity."

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Flynn pleaded guilty in December to lying to FBI investigators over his contact with the foreign officials over the U.N. vote during the transition, and entered into a plea agreement with prosecutors from Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's special counsel office.

The special counsel investigation has the authority to investigate "any and all matters" that arise from its initial investigation of possible collusion between the Trump campaign and Russia during the election.

Flynn became the fourth person ensnared by Mueller's investigation, following the indictment of former Trump campaign chair Paul Manafort Paul John ManafortBannon trial date set in alleged border wall scam Conspicuous by their absence from the Republican Convention Ukraine language in GOP platform underscores Trump tensions MORE and one of his business associates, Richard Gates, the month before. Former campaign foreign policy adviser George PapadopoulosGeorge Demetrios PapadopoulosTale of two FBI cases: Clinton got warned, Trump got investigated Trump says he would consider pardons for those implicated in Mueller investigation New FBI document confirms the Trump campaign was investigated without justification MORE also pleaded guilty.

In his guilty plea, Flynn pledged to cooperate fully with the special counsel investigation going forward. Last month, it was reported that Trump directed Flynn during the transition to make contacts with Russian officials on topics intended to repair relations between the U.S. and Russia, including the war against the Islamic State in Iraq and Syria (ISIS) terror group.

"Trump assigned Flynn and a small circle of other senior advisers to find ways to repair relations with Russia and other hot spots. It was shortly after the election, that President-elect Trump directed Flynn to contact Russian officials on topics that included working jointly against ISIS," ABC News reported, according to a Flynn confidant.

Trump tweeted in December that he fired Flynn after learning that the former aide had lied to Vice President Pence and the FBI.

"I had to fire General Flynn because he lied to the Vice President and the FBI. He has pled guilty to those lies. It is a shame because his actions during the transition were lawful. There was nothing to hide!" Trump tweeted.