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, Donald Trump Jr., thanked Rep. Adam Schiff Adam Bennett SchiffOvernight 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 Intelligence chief says Congress will get some in-person election security briefings MORE (D-Calif.) Friday evening for helping identify “who all needed to be fired.”

Schiff, chair of the House Intelligence Committee, was the lead impeachment manager during the Senate impeachment trial. During the House impeachment hearings, his committee questioned fact-witnesses, including former ambassador to the European Union Gordon Sondland Gordon SondlandGOP chairman vows to protect whistleblowers following Vindman retirement over 'bullying' Top Democrat slams Trump's new EU envoy: Not 'a political donor's part-time job' Trump names new EU envoy, filling post left vacant by impeachment witness Sondland MORE and member of the National Security Council (NSC) Lt. Col. Alexander Vindman Alexander VindmanImpeachment witness Alexander Vindman calls Trump Putin's 'useful idiot' The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Strzok: Trump behaving like an authoritarian MORE.

Both men were dismissed by President Trump on Friday, two days after he was acquitted on impeachment charges in the Senate. After nearly 34 years working in the State Department, another key witness, former U.S. ambassador to Ukraine Marie Yovanovitch Marie YovanovitchGrand jury adds additional counts against Giuliani associates Lev Parnas and and Igor Fruman Strzok: Trump behaving like an authoritarian Powell backs Biden at convention as Democrats rip Trump on security MORE, retired in January after being recalled from her ambassador role several months prior.

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“Allow me a moment to thank—and this may be a bit of a surprise—Adam Schiff,” Trump Jr. tweeted. “Were it not for his crack investigation skills, @realDonaldTrump might have had a tougher time unearthing who all needed to be fired. Thanks, Adam! #FullOfSchiff"

Allow me a moment to thank—and this may be a bit of a surprise—Adam Schiff. Were it not for his crack investigation skills, @realDonaldTrump might have had a tougher time unearthing who all needed to be fired. Thanks, Adam! #FullOfSchiff — Donald Trump Jr. (@DonaldJTrumpJr) February 8, 2020

During the House hearing, witnesses spoke to the recollection of the events that unfolded leading up to and after the president’s July 25 phone call with Ukrainian President Volodymyr Zelensky, in which Trump is accused of using nearly $400 million in military aid to pressure Zelensky to conduct an investigation into former Vice President Joe Biden Joe BidenCast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response Biden tells CNN town hall that he has benefited from white privilege MORE. The witnesses often spoke to the lack of precedent for such an exchange.

“There is no question in the mind of any American why this man’s job is over, why this country now has one less soldier serving it at the White House,” David Pressman, Vindman’s attorney, said in a statement on Friday following Vindman's dismissal. “LTC Vindman was asked to leave for telling the truth. His honor, his commitment to right, frightened the powerful.”