Washington, D.C., lawyer George Conway George Thomas ConwayGeorge and Kellyanne Conway honor Ginsburg Lincoln Project releases new ad blasting Trump as 'a horrible role model' George Conway hits Trump on 9/11 anniversary: 'The greatest threat to the safety and security of Americans' MORE on Thursday returned to his frequent line of attack on President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE, calling him a “pathological narcissist” in a series of tweets.

Trump “is such an extreme, pathological narcissist that one clinical psychologist who teaches seminars about manipulative behavior has actually been ‘archiving video clips of him to use in workshops because there’s no better example’ of an extreme narcissist,” Conway, who is married to presidential counselor Kellyanne Conway Kellyanne Elizabeth ConwaySpecial counsel investigating DeVos for potential Hatch Act violation: report George and Kellyanne Conway honor Ginsburg Trump carries on with rally, unaware of Ginsburg's death MORE, wrote.

.@realDonaldTrump is such an extreme, pathological narcissist that one clinical psychologist who teaches seminars about manipulative behavior has actually been “archiving video clips of him to use in workshops because there’s no better example” of an extreme narcissist .... https://t.co/uZw6Rx7Ici — George Conway (@gtconway3d) July 11, 2019

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George Conway’s tweet quoted one by Trump earlier Thursday in which the president attacked the mainstream media and several Democratic presidential candidates, including former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE and Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.), and called himself “so great looking and smart, a true Stable Genius.”

Conway has frequently characterized Trump as a narcissist, going so far as to post the Diagnostic and Statistical Manual of Mental Disorders’ entry for narcissistic personality disorder in March, which he tweeted again Thursday morning.

Trump fired back at Conway's tweets in March, calling him a “total loser” and “husband from hell.”

Kellyanne Conway also said at the time that her husband should not “play psychiatrist.”

“You think he shouldn’t respond when somebody, a non-medical professional accuses him of having a mental disorder? You think he should just take that sitting down?” she told Politico, referring to the president.

George Conway is a frequent critic of Trump on Twitter, but the president has largely remained silent in response to the criticism in recent months.