What thisreasoningoverlooks, however, is thatpeopleold enoughtohave servedtwoprison sentences for seriouscrimesrarelycommitmore thanonesubsequent crime.
Even under missouri law I can petition the sentencing court to be removed from the registry after having registered (without a subsequent conviction of sexual crime) for ten years.
In states and cities where additives were banned outright the subsequent drop off in violent crime was equally dramatic, but where lead was phased out over time criminality tailed off less abruptly.