As the U.K. Prime Minister Rishi Sunak makes his first visit to the White House on June 8 to renew the “special relationship,” it is crucial that President Biden urges him to take decisive action against the Islamic Revolutionary Guard Corps (IRGC). The time to proscribe the IRGC as a terrorist organization is now. As an advocate for human rights and freedom of speech, I have first-hand experience with the IRGC’s reign of terror.