Nor was there any reduction in illegal drugs. Those such former workers sought out other black market jobs and such, like drugs, and illegal trafficking. Mexico has become more unstable and the criminalized.
NAFTA was supposed to help to prevent such actions from occurring, and the rise of drugs and illegal immigration rose after the implementation of that. NAFTA pushers often mentioned it and pushed it. Just like Hertitage said NAFTA would help to reduce such blowbacks.
I'm guessing you are in academia. Do you have tenure?