Professor Mullin is a federal prosecutor in the Fraud Section of the U.S. Department of Justice, where he specializes in cases involving foreign corruption. From 2019 to 2023, he served as an Assistant U.S. Attorney for the District of Columbia, where he prosecuted a wide variety of financial fraud and violent crime cases. He has served as lead counsel in more than two dozen state and federal trials and secured the extradition and conviction of foreign nationals charged with hate crimes against peaceful protestors. He received multiple Special Act Awards during his government service. Before joining the U.S. Attorney’s Office, he practiced for nearly a decade at Akin Gump, where he represented clients in state and federal courts and managed cross-border investigations of public corruption in Ukraine, China, and the Middle East. He received the Hughes-Gossett Literary Prize from the Supreme Court Historical Society.