A coalition of civil rights groups filed a new lawsuit on Monday seeking to halt parts of a Texas law that would allow police officers in the Lone Star State to arrest migrants suspected of crossing into the U.S. across the U.S.-Mexico border illegally.
The law is set to take effect next week after a federal appeals court vacated a lower court ruling last week that had prevented its enforcement since 2024. In that ruling, he appeals court vacated an injunction that had blocked the law, finding that the plaintiffs did not have standing to sue.
Senate Bill 4 established a state-level crime for entering the country illegally and authorized state magistrates to order certain individuals to leave the country if they are convicted.
Courts have long maintained that immigration enforcement has historically been treated as the responsibility of the federal government, but Texas Republicans attempted to challenge that precedent when they approved S.B. 4.
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The Texas Civil Rights Project, American Civil Liberties Union and ACLU of Texas argued that the law is unconstitutional, noting that immigration law is exclusively the responsibility of the federal government and that federal law should preempt the state law.
The groups are attempting to block four provisions of S.B. 4 — the creation of a crime for re-entering the country illegally, even if a person has since obtained legal status such as a green card; granting state magistrates authority to issue deportation orders; the creation of a crime for failing to comply with a magistrate’s deportation orders; and the requirement that magistrates continue a prosecution even if a person has a pending immigration case under federal law, such as an asylum claim.
“Our fight against S.B. 4 isn’t over until justice wins,” Kate Gibson Kumar, an attorney at the Texas Civil Rights Project, said in a statement. “S.B. 4 is not only unconstitutional, but a vile law that uses our Texas resources to harm communities across our state. The Texas Civil Rights Project will keep fighting to protect Texas communities from the wrath of S.B. 4.”
Cody Wofsy, deputy director of the ACLU’s Immigrants’ Rights Project, argued that S.B. 4 is “cruel and illegal,” adding that the groups “will keep fighting it until it is permanently struck down.”
“Every court to have reached the merits of laws like S.B. 4 has found them to be unconstitutional,” he said.
Texas Attorney General Ken Paxton’s office did not immediately respond to Fox News Digital’s request for comment.
The law is scheduled to go into effect on May 15 unless another court takes action.
“S.B. 4 would transform our police and judges into immigration agents — threatening neighbors who have families here, who have lived here for years, even those who have legal status,” said Adriana Piñon, legal director at the ACLU of Texas. “Immigration enforcement is exclusively the federal government’s arena, and no state has ever claimed the power Texas threatens to wield here. We are taking this back to court to defend our Texas communities.”
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Monday’s lawsuit is the latest legal challenge to the Texas law, which was passed by state lawmakers amid an uptick in migrant crossings at the U.S.-Mexico border during the Biden administration.
Another lawsuit had been led by some of the same advocacy groups that filed Monday’s challenge. The Biden administration also initially sought to halt the law in 2024 before the Trump administration terminated the Department of Justice’s involvement in the lawsuit last year as part of the president’s mass deportation agenda.
