Texas wants to arrest immigrants in the country illegally. Why would that be such a major shift?

By COLLEEN LONG
Associated Press

WASHINGTON (AP) — The news in Texas over local immigration enforcement is so unusual because immigration laws are federal laws and enforcement of immigration law is the domain of federal law enforcement. Homeland Security agents and officers are responsible for arresting migrants who are caught crossing the U.S. border illegally, whether from Mexico or Canada. They’re also responsible for arresting and deporting people who are in the country illegally. But lawmakers in Texas passed a bill that would make illegally crossing the border a state crime, which would theoretically allow state law enforcement to arrest migrants. But that clashes with how laws generally work in the U.S.