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White House press secretary Karoline Leavitt fired back at her predecessor, Karine Jean-Pierre, after Jean-Pierre called a recent comment from Leavitt "deplorable."

"With all due respect to my predecessor, she is one of the main culprits of the greatest cover-up and scandal in American history," Leavitt said Tuesday on " Jesse Watters Primetime."

"She took the podium every day and lied to the press about the incompetence of her boss. And on this book tour, she continues to lie."

Jean-Pierre is promoting her new book , "Independent," in which she discusses her break from the Democratic Party and her tenure with the Biden administration.

EXCLUSIVE: KAROLINE LEAVITT SLAMS HAKEEM JEFFRIES AS 'STONE-COLD LOSER' AFTER HE AT

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