Roman-Bardales’ extradition from Mexico to the United States was the culmination of a long, methodical pursuit that stretched across borders and agencies. Investigators tracked his movements, cultivated informants, and relied on delicate international cooperation to bring an alleged MS-13 leader into U.S. custody. Once on the FBI’s Ten Most Wanted Fugitives list, he had come to symbolize the elusiveness and brutality of transnational gangs.