Rep. Adam Schiff Adam Bennett SchiffOvernight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies Intelligence chief says Congress will get some in-person election security briefings Democrats, advocates seethe over Florida voting rights ruling MORE (D-Calif.), the ranking member of the House Intelligence Committee, said Wednesday that President Trump is not “a credible source” on the ongoing investigations into Russia’s interference in the 2016 presidential election.

“The president is hardly a credible source on any of this stuff,” Schiff said on MSNBC's “Andrea Mitchell Reports.”

Schiff also slammed Trump for his meeting on Wednesday with Russian Foreign Minister Sergey Lavrov, saying the top Russian diplomat echoes the Trump administration’s talking points better than the White House press secretary, Sean Spicer.

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Trump has repeatedly denied that he or his campaign aides colluded with Russian officials to sway the election in his favor.

The president’s recent decision to fire FBI Director James Comey, who was overseeing the FBI's investigation into Russian meddling, has raised questions about whether Trump is attempting to thwart the probe, however.

Trump said he made his decision to fire Comey at the recommendation of Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE and Deputy Attorney General Rod Rosenstein, who questioned Comey's judgment and how he handled the investigation into Hillary Clinton Hillary Diane Rodham ClintonBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Virginia Democrat blasts Trump's 'appalling' remark about COVID-19 deaths in 'blue states' The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally MORE’s use of a private email server.

The timing of Trump’s meeting with Lavrov has also raised eyebrows, coming one day after Comey’s dismissal.