I'm not sure if this is the citation you wanted, but it does deal with the issue in the context of public schools: http://ordinary-gentlemen.com/blog/2013/07/1

I'm not sure if this is the citation you wanted, but it does deal with the issue in the context of public schools: http://ordinary-gentlemen.com/blog/2013/07/19/if-criminals-is-what-you-want-criminals-is-what-youll-get http://ordinary-gentlemen.com/blog/2013/07/19/if-criminals-i...