The party expelled Bo after an investigation of the killing and Wang 's visit to the consulate , a trip made `` without permission , '' Xinhua said . Report : Bo Chung is under criminal investigation , he said . Bo is a former political prisoner who was earlier stripped of legislative membership . Bo 's party investigated him for influence peddling , bribery and womanizing .
Report : Bo Chung is under criminal investigation , he said . Bo is a former political prisoner who was earlier stripped of legislative membership . Bo 's party investigated him for influence peddling , bribery and womanizing .