close Video Protesters trap federal agents during raid Activists use a bike lock to trap law enforcement in the parking lot of a taco store during an immigration and tax fraud raid in Arizona (Derek Shook for Fox News Digital) NEWYou can now listen to Fox News articles! EXCLUSIVE: TUCSON, Ariz. — Protesters swarmed a Mexican restaurant in Tucson, Arizona, Friday morning, briefly locking a group of federal agents in a gated parking lot as they were executing a search warrant in connection with a sprawling tax and immigration fraud investigation.