For some reason beyond my capacity I can't modify the format in this article to make it fit this space. Nevertheless, the material in this is germane to our discussion of the diverse functions and powers of the various kinds of American governments and law enforcement.
It is evident that the different sheriff's departments in Arizona have been enforcing federal law with regard to immigration differently.
The sheriff in Tucson has been rounding up illegals all along. Others have not. The sheriff in this article has his men out doing patrols in the desert, and not just to rescue the immigrants from dehydration and death.
This reflects my experience of local law enforcement in Virginia and other states.
Yes, American local law enforcement picks and chooses which federal laws it wishes to place emphasis on.
The new Arizona law is designed to force uniform enforcement of federal immigration law on all Arizona police. pl