Immigration officials don’t need a warrant to enter the public areas of a restaurant. They can go wherever the general public can go — think dining rooms, patios, or lobbies. They cannot access spaces off limits to guests, including kitchens, storage rooms, or offices without a judicial warrant signed by a judge.

Mario Guevara, a Spanish-language reporter originally from El Salvador, was arrested while covering a “No Kings” protest outside Atlanta on Saturday, his lawyers said.