Rep. Maxine Waters (D-Calif.) on Saturday criticized President Trump while discussing the administration's potential ties to Russia, saying she hadn't heard of a U.S. president called a "liar" as often as Trump.

"[Trump] continues to go down a road where nobody is going to believe him," Waters said on MSNBC while discussing Trump's wiretapping allegations.

"He wants everybody to believe that he told the truth when he said he was wiretapped," added Waters, who has been an outspoken critic of Trump, accusing him of lying and calling for his impeachment.

"He needs to quit it. He needs to stop it," she continued. "This is a president that has shown that he does not have what it takes to lead this country. As a matter of fact, I've never heard a president of the United States been called a liar as much as he's been called a liar by practically everybody. He just does not have credibility."

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Early Saturday morning, Trump appeared to double down on allegations of surveillance by the Obama administration in a tweet calling for NBC and "sleepy eyes Chuck Todd" to stop reporting on the investigations of possible ties between Trump's campaign and Russia, calling the stories "fake."

Trump made waves early last month when he tweeted, without evidence, accusations that former President Barack Obama Barack Hussein ObamaBiden to hold call with Senate Democrats on Thursday: report Romney undecided on authorizing subpoenas for GOP Obama-era probes Billboards in four states and DC demand ICE 'free the families' MORE of wiretapping Trump Tower.

House Intelligence Committee Chairman Devin Nunes (R-Calif.) has said a source revealed evidence that the U.S. intelligence community incidentally collected information on members of Trump's transition team.

Nunes's announcement has been the subject of controversy, since it included a break with typical protocol and a visit to the White House to brief Trump.

The New York Times reported this week that two White House officials had helped Nunes get the information that he used to brief the president.