"Socalj" for Borderland Beat The US military has killed the leader of the Venezuelan gang Tren de Aragua in an airstrike, President Donald Trump has announced. "At my direction, the United States Southern Command delivered a swift and lethal kinetic strike to successfully execute Niño Guerrero," Trump wrote on social media. Héctor Rusthenford Guerrero Flores, was recognized as the longtime leader of Tren de Aragua.