For most people here, its Mexicans they hate.
In spite of miles of evidence to the contrary, they do not take US jobs.
If you get a chance, watch the very short documentary made by VICE, called, I believe, Sweet Home Alabama. It shows what has happened to farmers and consumers in Alabama since they ran out all illegals in 2011.
Condensed -- they interviewed growers who same Americans not only would not do the work, they were physically unable to and walked off the job before noon. Prisoners were brought in but they too were unable to to do the work. Needless to say, produce prices are sky high but the real kicker is that Alabama is importing produce from MEXICO.
The US needs migrant farm workers as much, if not more so than they need us.