Eugene Volokh's take (on it being a criminal investigation instead of a civil investigation): http://volokh.com/2010/05/19/pennsylvania-attorney-general-tom-co

Eugene Volokh's take (on it being a criminal investigation instead of a civil investigation): http://volokh.com/2010/05/19/pennsylvania-attorney-general-tom-corbett-subpoenas-identity-of-his-critics-for-a-criminal-probe/ http://volokh.com/2010/05/19/pennsylvania-attorney-general-t... The idea that Corbett, as AG, would subpoena to investigate the criminal charges against...Corbett doesn't make sense though.