The manager of one farm, Edgar Rodriguez, a U.S. citizen, said he was handcuffed, thrown to the ground and had his arm twisted behind his back after he asked to see a warrant.

On the morning of July 10, immigration agents descended on Glass House Farms near Camarillo and in Carpinteria – a greenhouse complex that is one of the state's largest marijuana farms. They blocked the main road and clashed with protesters until after dark as agents detained farm workers.