Appreciate your point of view. Another poster mentioned a paper by James J. Feigenbaum† and Christopher Muller‡. Are they some of the scientists you mentioned and labeled as &quot;fringe&quot;, in regard to their point of view?<p>Clearly, violence in communities are multi-faceted topic that cannot be easily explained by something so simple as Lead. However, it might be a possible contributor.<p>That being said, I do agree with you that the tactics of destroying communities and creating housing projects was clearly a novel idea with terrible implementations and less then desirable outcomes. I work with a lot of folk from housing projects and I&#x27;ve met some really smart people who, without a life line[0], will never get out of poverty. It&#x27;s a shame really - just by law of averages, politicians should realize that some of the housing projects are harboring brilliant individuals that will never be able to contribute to society within their full potential.<p>My network tech is from Gun Hill Road in The Bronx, which has an incredibly high crime rate but he can take an engine apart, then back together, within some impressive amount of time judge by Local246[1]  (Mechanics Union in NYC). In reality, he really shouldn&#x27;t be working in our company but in some swanky car modifications shop but they won&#x27;t hire him based on many different factors. Really, a shame.<p>[0] - I&#x27;m implying that someone would have to hire them to let an individual prove themselves.<p>[1] - <a href="http:&#x2F;&#x2F;nyclocal246.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;nyclocal246.org&#x2F;</a>