The House Oversight and Government Reform Committee is expected to interview the head of security for Environmental Protection Agency (EPA) Administrator Scott Pruitt Edward (Scott) Scott PruittJuan Williams: Swamp creature at the White House Science protections must be enforceable Conspicuous by their absence from the Republican Convention MORE on Wednesday, ABC News reported.

Pasquale “Nino” Perrotta currently leads Pruitt’s million-dollar 24-hour security detail, which is currently under investigation by Congress and ethics officials.

Perrotta is reportedly responsible for the expansion of Pruitt’s security detail, and approved the director’s costly and controversial first-class travel.

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The former Secret Service agent also allegedly orchestrated the installation of a $43,000 soundproof booth in Pruitt’s office that was deemed illegal by the Government Accountability Office.

Politico reported last month that Perrotta vetoed concerns from EPA staffers that Pruitt’s spending practices were inappropriate.

An EPA spokesman did not respond to request for comment from ABC News.

However, Oversight and Government Reform Committee Chairman Rep. Trey Gowdy Harold (Trey) Watson GowdySunday shows preview: Election integrity dominates as Nov. 3 nears Tim Scott invokes Breonna Taylor, George Floyd in Trump convention speech Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-S.C.) confirmed on Sunday’s “Face the Nation” that interviews were being scheduled with Perrotta and other top Pruitt aides.