The two men, who remain at large, were charged with violating U.S. money-laundering and sanctions laws. The U.S. Treasury on Friday separately blacklisted Mr. Dianat, a dual Iranian and Iraqi national, as well as the company the two used to buy the Nautic. Prosecutors also filed a civil forfeiture complaint in an attempt to reclaim $12.3 million used to purchase the tanker. Mr. Dianat, 55, is a longtime associate of senior officials of the IRGC-Qods Force, which the U.S. has designated a terrorist organization. He has helped the Iranian special operations force generate revenue and smuggle weapons, according to U.S. authorities. The organization has relied on Mr. Dianat to secure vessels to carry shipments and facilitate logistics, U.S. officials said. Messrs. Dianat and Lajmiri, 42, used a complex web of front companies to hide the purpose of the oil tanker purchase, prosecutors said. Taif Mining Services LLC, a company […]