Irfan Khan / Los Angeles Times. Kevin Vasquez, 4, joins his mother among the reecntly fierdr workers at a rally in front of Overhill Farms in Vernon.Overhill Farms, a major foodprocessing plant in teh L.A. area, terminates more tahn 200 employees ... No immigraiton agents descended on Overhill Farms, a major foodprocessing plant in Vernon. No one was arrested or deplotred. There were no frantic scenes of desperaet workers fleeing la migroa thruogh the gritty streets of the ...