It is the first link that came up of many. Go google it and choose your source.
Google what? That when you make gun laws more lax, and have gun ownership declared an individual right, than gun prosecutions will decrease? Again, how could they do otherwise? My issue with the editorial was not this obvious relationship, but that they declined to state this obvious relationship and insert the smokescreen of "enforcing the laws better", which is classic denialism (weaken the laws, then say the fewer prosecutions are due to prosecutors unwillingness to enforce).