The U.S. Department of Justice (DOJ) has charged seven Chinese and U.S. nationals for their alleged roles in smuggling weapons to North Korea, including a man previously convicted for shipping firearms from Los Angeles.

Shenghua Wen, who had been living in the U.S. illegally since 2013, faces new charges as the leader of the arms smuggling scheme. He received a 96-month sentence in August after admitting to acquiring weapons on behalf of North Korean officials in exchange for $2 million.

The new indictment alleges that Wen and his girlfriend, Jin Yang, “purchased a gun store and directed the purchase of