The Army vet was arriving at work when federal agents surrounded his car, broke his window, pepper sprayed him, dragged him out and arrested him, he said.
Long stretches of the border are under the supervision of nearby military bases, empowering U.S. troops to detain people entering the country illegally.
A federal judge has issued a temporary restraining order directing President Trump to return control of the California National Guard to Gov. Gavin Newsom.
Authorities say two people have died and multiple others were injured when a private jet crashed into military housing in San Diego during foggy weather.