Stephen `` The Rifleman '' Flemmi was `` Whitey '' Bulger 's partner and henchman . Flemmi is now a star prosecution witness in Bulger 's federal trial on murder and other charges . He testified that he had been hired by the FBI to help catch Bulger, but instead helped him escape from prison. Flemmi 's admission he molested his stepdaughter . Bulger 's lawyer pointed out Davis was murdered after Flemmi learned she was involved with another man . The stepdaughter subsequently was killed by Bulger ; Flemmi says he did nothing .
Stephen `` The Rifleman '' Flemmi was `` Whitey '' Bulger 's partner and henchman . Flemmi is now a star prosecution witness in Bulger 's federal trial on murder and other charges . He testified that he had been hired by the FBI to help catch Bulger, but instead helped him escape from prison. Flemmi 's admission he molested his stepdaughter . The stepdaughter subsequently was killed by Bulger ; Flemmi says he did nothing .