The group has been linked to human trafficking networks that move migrants north through Central America and Mexico, with stops in border cities like Tapachula and Tijuana - and eventual arrivals in U.

Ten Americans are en route to the U.S. after a prisoner swap involving the U.S., El Salvador and Venezuela, Secretary of State Marco Rubio said Friday.

Scores of Venezuelans deported from the United States arrived back home from a notorious Salvadoran jail Friday, as a prisoner swap agreement ended a months-long ordeal decried by rights groups.

There are currently at least eight Americans who the US believes are wrongfully detained in Venezuela, and all of them were expected to be released as part of the swap, the sources said.