WASHINGTON (AP) — The state of Mississippi may soon be sharing driver’s license data with the federal government so employers can check whether they are hiring people allowed to work in the U.S.

The Obama administration said in the May 9 Federal Register it wants to add driver’s license data to E-Verify. The Mississippi data would be used as a test project, likely to start in June.

E-Verify checks workers’ information submitted by employers against Social Security and immigration databases. But the system can be fooled with fake, borrowed or stolen documents.

E-Verify has been touted as a way to stem illegal immigration but an official with the American Civil Liberties Union says the expanding amounts of information kept by the system is becoming a “honeypot for thieves.”