Gomez, a 20-year-old U.S. citizen, was being held in the Leon County Jail Thursday, charged with illegally entering Florida as an “unauthorized alien” — even as a supporter waved his U.S. birth certificate in court.

Florida authorities detained a U.S.-born citizen on the charge of entering the state as an “unauthorized alien,” forcing him to spend more than 24 hours in a county jail on an immigration hold, despite the man having proof of his citizenship through his birth certificate and Social Security card,

A U.S. citizen was arrested for entering the state of Florida as an “unauthorized alien” under a state law that shouldn’t have been enforced in the first place.* Juan Carlos Lopez Gomez will remain in jail for 48 hours under an ICE hold,