 He says they're hired by a third party and that their contract doesn't allow them to speak with the press. The crew's foreman, Rigoberto Ibarra, was allowed to speak with me. The 69-year-old has been working in the fields of the Central Valley for more than 50 years. I love the work I do. The only bad thing is it's so hot. The majority of farmworkers in California are Latino. Some estimates found that more than 75% of the workforce is undocumented.