 While he operated freely as the de facto Attorney General and was widely recognized as such, Castor formally became the state's Acting Attorney General, replacing Kane, who resigned on August 17, 2016, following a conviction of a third degree felony perjury charge and several related misdemeanors.Governor Tom Wolf later nominated Bruce Beemer to fulfill the remaining balance of Kane's term which expired in January 2017.According to multiple reports, Castor explored a bid for Governor of Pennsylvania in 2014.