philadelphia mayor allentown third large city pennsylvania among late officials charge long-running federal corruption investigation accord indictments unseal wednesday edwin pawlowski democrat run fourth term one five people accuse bribery extortion wire fraud charge two indictments include total 73 count seven others already plead guilty probe wednesday new defendants include vaughn spencer 70 democrat previously serve first black mayor read pennsylvania pawlowski spencer essentially put sale sign city hall sell high bidder say louis lappen act u.s. attorney philadelphia news conference wednesday news conference pawlowski call accusation fiction vow keep run reelection want make clear everyone do nothing wrong ever accept dime beyond salary say way shape form city hall ever sale pawlowski also run unsuccessfully governor u.s. senate accuse accept 150,000 contributions various campaign vendors understand would receive city contract exchange mayor seek cover scheme delete email instruct campaign aid sweep office listen devices instal law enforcement indictment say spencer meanwhile charge similar scheme allegedly direct contract donor engineer firm also accuse agree bribe city council president exchange repeal campaign finance limit lawyer spencer geoffrey johnson say intend vigorously defend charge decline comment say still review indictment separate scheme outline two indictments include players jam hickey business consultant name indictments michael fleck previously plead guilty serve campaign manager mayors lawyer hickey immediately respond request comment charge pawlowski expect early year allentown former manage director plead guilty part investigation implicate pawlowski million bid-rigging scheme benefit campaign donor pennsylvania mayors charge pay-to-play corruption case