haiti mp many undocument who had have come here to scratch out a better life for themselves by harsting orida's tomato crops. some of them end up victims of the industry's worst abuses, including incidents of modern day slavery. >> there's been nine federally prosecuted slavery operations in the last 14 years. >> slavery? >> yeah. right here on third and boston. we go down four blocks workers were locked in the back of cargo truck literally shackled. we saw bruises on their wrist where they had been restrained by their employers. >> reporter: despite the dangers and low pay, farm hands are eager to work. to see how eager, you have to get up very early. every morning in the pre-dawn hours this parking lot becomes a giant open air labor market. hundreds of farm workers come here looking to make contact with labor bosses. if they are lucky they will be picked for another hard day of work. >> reporter: the men and women select redirect examination the ones boa boarding buses. he worked in the tomato field for nearly 30 fields. >> americans really like their vegetables and frults. who is going to pi