At several points during their opening argument, President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE’s defense team trained their fire on Rep. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (D-Calif.), removing any doubt about their intent to make the House manager’s credibility an issue at the impeachment trial.

Addressing the Senate on Saturday, Trump’s lawyers accused Schiff of repeatedly stretching the truth and creating false impressions amid his pursuit to take down the president.

“Chairman Schiff has made so much of the House’s case about the credibility of interpretations that the House managers want to place on — not hard evidence — but on inferences,” said Patrick Philbin, deputy counsel to Trump.

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“It is very relevant to know whether assessments of evidence he’s presented in the past are accurate,” Philbin said of Schiff. “And we would submit they have not been, and that that is relevant for your consideration.”

The defense team portrayed Schiff as having first launched his overreaching efforts against Trump during former special counsel 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 investigation and continuing through Trump’s impeachment trial.

The attacks on Schiff were perhaps unsurprising, as the House Intelligence Committee chairman has emerged as the lead prosecutor among House managers pressing the case against Trump in the Senate.

In fact, Schiff anticipated the offensive and delivered a warning to senators last night that spelled out specific attacks he expected to be lodged against him, some of which materialized Saturday.

“I think the second thing you'll hear from the president's team is, attack the managers. Those managers are just awful. They're terrible people,” Schiff said. “Especially that Schiff guy. He's the worst. He's the worst.”

Schiff’s prediction earned him smiles from some Senate Republicans, notably Sen. Lindsey Graham Lindsey Olin GrahamMomentum growing among Republicans for Supreme Court vote before Election Day Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Warning signs flash for Lindsey Graham in South Carolina MORE (R-S.C.), who has praised the congressman during the proceedings, despite his nearly assured vote for Trump’s acquittal.

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If he wasn’t already, Schiff became one of the prominent faces of Democratic impeachment efforts Thursday, after an emotional speech went viral, during which he discussed the need for moral consensus, saying that “right matters, and the truth matters.”

"He's a good orator, you gotta give him that," said Sen. Lisa Murkowski Lisa Ann MurkowskiMomentum growing among Republicans for Supreme Court vote before Election Day Collins: President elected Nov. 3 should fill Supreme Court vacancy Barrett seen as a front-runner for Trump Supreme Court pick MORE (R-Alaska), who is seen as one of several moderate Republican senators who could be persuaded to vote with Democrats in favor of allowing new witnesses to testify.

Graham has been mostly effusive in his praise of Schiff, though he has said the congressman at times can take things too far.

"He's well spoken. Did a good job of creating a tapestry. Taking bits and pieces of evidence and emails and giving a rhetorical flourish,” Graham said Thursday. “Sometimes effectively, sometimes a little over the top."

Trump’s team today called into question whether Schiff can be trusted as an honest broker.

At one point, Trump’s defense team played video of Schiff on NBC’s "Meet the Press," saying that he had seen “evidence that is not circumstantial” that the Trump campaign had colluded in Russia’s 2016 election interference.

Trump’s lawyers contrasted Schiff’s claim with Mueller’s conclusion that his nearly two-year probe had established no coordination between the Trump campaign and Moscow.

The defense team also accused Schiff and his staff of coaching the whistleblower, who raised a red flag over Trump’s July 25 phone call with the Ukrainian president that set in motion the impeachment.

They paired the allegation with a clip of Schiff asserting on national television that “we have not spoken directly with the whistleblower,” a claim which fact-checkers found was false.

Senators were also shown a video of Schiff delivering a dramatized reenactment of the readout from Trump’s July 25 call, which later prompted Trump to suggest Schiff be arrested for treason.

“That’s fake,” deputy White House counsel Mike Purpura said of Schiff’s performance. “That's not the real call. That's not the evidence here."

However, Trump’s lawyers did not tell the Senate that Schiff, prior to his interpretative reading, said he would be describing "the essence" of Trump’s message "shorn of its rambling character and in not so many words."

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The defense team’s opening argument earned praise from Trump’s allies in Congress.

"It completely undermined the case of the Democrats and truly undermined the credibility of Adam Schiff,” Sen. John Barrasso John Anthony BarrassoOVERNIGHT ENERGY: Democrats push resolution to battle climate change, sluggish economy and racial injustice | Senators reach compromise on greenhouse gas amendment stalling energy bill | Trump courts Florida voters with offshore drilling moratorium Senators reach compromise on greenhouse gas amendment stalling bipartisan energy bill The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump, Biden battle over vaccine, economy; Congress returns MORE (Wyo.), the No. 3 Senate Republican said. Barrasso said he watched Schiff’s reaction when the defense team played the clip of his “fictionalized, made-up” version of Trump’s call with Zelensky.

“I know the press couldn't see his face,” Barrasso said. “But the blood drained from Adam Schiff's face as they played that video and his made-up words."

Democrats dismissed the attacks on Schiff as a distraction and a continuation of recent ad hominems against House manager Rep. Jerrold Nadler Jerrold (Jerry) Lewis NadlerSchumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence House passes bill to protect pregnant workers MORE (D-N.Y.) and Speaker Nancy Pelosi Nancy PelosiSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Trump is betting big on the suburbs, but his strategy is failing 'bigly' Trump orders flags at half-staff to honor 'trailblazer' Ginsburg MORE (D-Calif.).

"I think they always look for diversions. A few days ago it was Nadler. A few days before that it was Pelosi. That's what they do,” said Senate Minority Leader Charles Schumer Chuck SchumerVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Graham signals support for confirming a Supreme Court nominee this year Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-N.Y.). “We have to go forward and look at the truth and not be diverted by any kind of ad hominem attacks"

For his part, Schiff stayed on message following the attack, redirecting the focus back on Democrats’ case during a press conference.

"They don't contest the basic architecture of this scheme,” Schiff told reporters Saturday. “They do not contest that the president solicited a foreign nation to interfere in our election, to help him cheat.”

Jordain Carney and Mike Lillis contributed.