Massachusetts U.S. Attorney Rachael Rollins is under investigation by the Department of Justice inspector general, her office confirmed to Fox News Digital.
Rollins is allegedly in hot water over a possible Hatch Act violation after appearing at a Democratic National Committee event with first lady Jill Biden in July, according to The Associated Press.
Christina DiIorio-Sterling, a spokesperson for Rollins, told Fox News Digital that "the United States attorney is fully cooperating with the OIG investigation" but did not have further comment.
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She is also reportedly under investigation for using her personal cellphone in her capacity as a U.S. attorney, two anonymous sources allegedly briefed on the investigation told AP.
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The Hatch Act, enacted in 1939, prohibits federal employees from engaging in political activities while working in their official capacities.
Responding to a report from the Boston Herald covering her appearance at the Andover, Massachusetts, home, Rollins claimed to have "had approval," though did not specify from whom.
"I wasn’t asked for a comment before this ran," Rollins said in July. "It’s almost as if the Herald didn’t want to know I had approval to meet Dr. Biden [and] left early to speak at [two] community events last night."
Rollins, nominated by President Biden, was confirmed in December last year after Vice President Kamala Harris cast the tie-breaking vote to make her as the top federal prosecutor in Massachusetts.