No one can deny that mob boss James "Whitey" Bulger and Stephen "The Rifleman" Flemmi are two of the most brutal killers in American history--not even the two gangsters themselves. But a jury denied the Davis family closure for the slaying of Debbie Davis, Flemmi's beautiful young girlfriend, who went missing in 1981 and whose remains were found nearly twenty years later under the Neponset River Bridge in Quincy, Massachusetts. Now serving...