THe mexicans I'd like to deport wear chinos, generally ironed dickies with a crease, a wifebeater sleeveless teeshirt or a flannel shirt, a hairnet, or with a bandana around the forehead, usually halfway down over the eyes with may tattoos of Catholic imagery, or calligraphy or name of their gang, and they drive a lowrider. Shoot or deport them all into labor camps.
Normal Mexicans just looking for a job or a way for upward mobility can stay... you have to at least acknowledge those of you who oppose illegal immigration that you would illegally cross the border if you happened to be born a Mexican in Mexico. It is a testament to the greatness of this nation and the opportunities that we have that a great many have left and continue to leave their homeland for the great US of A!
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It is not up to you to finish the task, nor are you free to desist from trying.