The U.S. government sanctioned the head of Venezuela’s Tren de Aragua gang, Hector Rusthenford Guerrero Flores, and its five other key leaders and affiliates Thursday, citing involvement in various criminal activities.

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.

US offers $5 million reward for information leading to the arrest of Tren de Aragua leader Niño Guerrero as Treasury Department imposes sanctions on six gang leaders.