Whitey Bulger was found to have been involved in murders.
Whitey Bulger . Federal prosecutors indicted Bulger for 19 murders based on grand jury testimony from Kevin Weeks and other former associates . On August 12 , 2013 , he was found guilty on 31 counts , including both racketeering charges , and was found to have been involved in 11 murders . Bulger was also possibly involved in the murder of an unidentified woman -- the `` Lady of the Dunes '' -- in Provincetown , Massachusetts , in 1974 .