Preet Bharara, a former U.S. attorney who was fired by President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE, tweeted at the president on Saturday night about Trump's claims of being "wire tapped" in Trump Tower.

Bharara wrote Trump apparently "DID have his 'wires tapped' in Trump Tower. Case closed," along with a link to a Wall Street Journal article headlined, "Former employees of Donald Trump say he sometimes taped phone conversations in Trump Tower."

So apparently @realDonaldTrump DID have his "wires tapped" in Trump Tower. Case closed. https://t.co/LTzKz3UOOl — Preet Bharara (@PreetBharara) May 13, 2017

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In a Friday tweet that set off questions, Trump said fired FBI Director James Comey "better hope that there are no 'tapes' of our conversations before he starts leaking to the press!"

James Comey better hope that there are no "tapes" of our conversations before he starts leaking to the press! — Donald J. Trump (@realDonaldTrump) May 12, 2017

Earlier this year, Trump claimed in a series of unsubstantiated tweets that the Obama administration wiretapped Trump Tower while he was running for office.

Bharara, who formerly oversaw top legal cases for the Southern District of New York, and 45 other attorneys were fired after Trump took office.

Bharara's dismissal came as a surprise; he said said the president had asked him to remain in his role shortly following the election.

Bharara tweeted last week “everyone” should be troubled by the president’s decision to fire Comey.

Some critics say his actions are “Nixonian,” while others have praised it as a decisive action, saying a new director could lead to a fresh start following a tumultuous trail of controversies surrounding Comey and the 2016 election.