tonight is reprobably going to be picked by immigrant hands. the real question is is it going to be picked by immigrant hands here in the united states or in another country? >> you can create a big problem because the whole economy can collapse. >> reporter: yeah. >> you need the workers here. >> reporter: farm worker advocate says the nation's food supply relies on undocumented labor and deporting them is not only bad for business but also threatens to break up families. a lot of people we saw today, the good people, the hardworking people, you said they're afraid. >> what are they afraid of? >> well, they're afraid to go to the store, to restaurants. they're afraid to go out because they might get deported and who's going to take care of their kids? >> reporter: so what's the