The passage of the complete Arizona Immigration Law SB-1070 may not have stood up to the nitpicking, Obama-persuaded, decision of Judge Susan Bolton, but its effects and implications had started to be felt even before the judge's announcement.
It seems that many illegal aliens already here across the border by means of breaking United States crossing laws had started to become a bit spooked
that the long arm of the United States law would be clamping down on them; maybe even in a manner related to what their own home countries do to similar law breakers.