Porter, who resigned his post last year amid allegations that he abused his two ex-wives, was at the president’s side during several episodes of potential obstruction chronicled in Mueller’s 448-page report on Russian interference in the 2016 election and Trump’s attempts to thwart the probe.
“The committee intends to hold hearings and obtain testimony over the coming months as part of its efforts to hold the president accountable as we move forward with our investigation into obstruction, corruption and abuse of power by Trump and his associates,” Judiciary Committee Chairman Jerry Nadler (D-N.Y.) said in a statement announcing the subpoena, which was first reported by POLITICO.