re: Deportation force: any guesses as to how this would actually occur?

According to texas state law enforcement: Theyre trackable via welfare and gov phones. The plan is to empower local law enforcement and utilize routine traffic stops to enforce trespassing, and work with the fed to organize their deportation. Problem is the hardened criminals will blend into the woodwork, this tactic will not be effective at flushing them out but will get plenty of the layfolk off the government teet.