A federal law enforcement official said the gang known as MS-13 will be formally declared a transnational criminal organization Thursday. The official spoke on the condition of anonymity to discuss the designation before it is formally announced.
MS-13 has been accused of kidnapping, murder, drug smuggling and human trafficking.
It started as a local street gang in El Salvador and is now believed to have as many as 10,000 members in 46 states and much of Central America.
Immigration and Customs Enforcement gang investigators have long targeted the group, arresting thousands of suspected members in the last several years.
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