Flynn was framed for the murder of Brian Halloran in 1983 by [[Whitey Bulger]]. In 1986 he was tried and acquitted for that murder. He was used as an [[Federal Bureau of Investigation|F.B.I.]] informant by agent [[John Connolly]] in the 1980s. | Flynn was framed for the murder of Brian Halloran in 1983 by [[Whitey Bulger]]. In 1986 he was tried and acquitted for that murder. He was used as an [[Federal Bureau of Investigation|F.B.I.]] informant by agent [[John Connolly]] in the 1980s. |