James `` Whitey '' Bulger had been an FBI informant for years before being indicted . Testimony : Bulger tipped off about the indictment in mid-'90s by FBI handler John Connolly . More than that , the agent closest to Bulger , John Connolly , routinely informed Bulger about ongoing investigations , federal documents later showed . He was arrested on April 11, 1994, and charged with murder of a federal agent ; conspiracy to commit extortion against a law enforcement officer ( who testified ) ; obstruction of justice ; witness tampering ; mail fraud Bulger faces murder and racketeering charges after 16 years on the run .
James `` Whitey '' Bulger had been an FBI informant for years before being indicted . Testimony : Bulger tipped off about the indictment in mid-'90s by FBI handler John Connolly . He was arrested on April 11, 1994, and charged with murder of a federal agent ; conspiracy to commit extortion against a law enforcement officer ( who testified ) ; obstruction of justice ; witness tampering ; mail fraud Bulger faces murder and racketeering charges after 16 years on the run .