If Tren de Argua has operations in the US, you’ve strengthened your Alien Enemies Act argument to overcome Posse Comitatus. And nobody ever really needs to prove in a timely fashion whether it is actually Argua or not.
President Donald J. Trump has announced on Truth Social that, at his direction, U.S. Southern Command (SOUTHCOM) has carried out a lethal kinetic strike on Niño Guerrero, the alleged leader of Tren de Argua, in coordination with the Venezuelan authorities.