SAN DIEGO—A San Diego gold exchange business and its managers were sentenced Dec. 3 for federal financial crimes stemming from a long-running money-laundering operation. According to the U.S. Attorney’s Office, Global Gold Exchange LLC, and managers Richard M. Owen, 52; James Warren, 50; and Jeffrey Morrow, 46, laundered money from a number of illicit sources and fraudulently documented the activity as gold transactions. The men pleaded guilty to charges that include money laundering, mail fraud, and operating an unlicensed money transmitting business. Owen received a two-year sentence for money laundering and being a felon in possession of a firearm, while Warren and Morrow received six- and eight-month sentences, respectively, according to the U.S. Attorney’s Office, which said the defendants also agreed to forfeit around $2 million in assets and pay more than $3.6 million in restitution. The charges came as a result of a multi-year investigation that involved “millions of …