Edited sentence: (3 have been executed -- after dropping their appeals, and 8 have been exonerated.As a Philadelphia prosecutor, Ed Rendell wrongfully put an innocent man named Nicholas Yarris on Pennsylvania's Death Row.By the time Yarris had been released to freedom from Pennsylvania's Death Row, Rendell had advanced his political career from Philadelphia prosecutor to Mayor of Philadelphia to Governor of Pennsylvania.Yarris was released to freedom about 2 decades later, 1 0f 8 released from Pennsylvania's Death Row since the Commonwealth reinstituted capital punishment in 1978