Well, we don't know that. It hasn't been studied. See: https://en.wikipedia.org/wiki/Lead_and_crime_hypothesis https://en.wikipedia.org/wiki/Lead_and_crime_hyp

Well, we don't know that. It hasn't been studied. See: https://en.wikipedia.org/wiki/Lead_and_crime_hypothesis https://en.wikipedia.org/wiki/Lead_and_crime_hypothesis.