The clash is the latest development surrounding missing text messages from around Jan. “Your obstruction of the committees’ investigations is unacceptable, and your justifications for this noncompliance appear to reflect a fundamental misunderstanding of Congress’s authority and your duties as an inspector general.”

“You have refused to produce responsive documents and blocked employees in your office from appearing for transcribed interviews,” the letter said. Cuffari, the Homeland Security inspector general, demanding that his office comply with their requests for documents and transcribed interviews. Maloney, Democrat of New York and the chairwoman of the Oversight Committee, and Bennie Thompson, Democrat of Mississippi and the chairman of the Homeland Security Committee, sent a letter to Joseph V.

WASHINGTON - The Department of Homeland Security’s internal watchdog, who is under criticism for his handling of an investigation into missing Secret Service text messages around the time of the Capitol attack, is refusing to cooperate with congressional demands, even blocking his employees from testifying before Congress, two top Democrats said on Tuesday.

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