One FBI Agent. One Boston Gangster. One Deal. The greatest and bloodiest story of corruption ever told. James ‘Whitey’ Bulger and John Connolly grew up together on the tough streets of South Boston. Decades later in the mid-1970s they met again. By then Connolly was a major figure in the FBI’s Boston office and Whitey had become godfather of the Irish Mob. Connolly had an idea a scheme that might bring Bulger into the FBI fold and John Connolly into the Bureau’s big leagues. But Bulger had other plans. Black Mass is the chilling true story of what happened between them – a dark deal that spiralled out of control leading to drug dealing racketeering and murder. From the award-winning journalistic pair Dick Lehr and Gerard O’Neill comes a true-crime classic which takes the reader deep undercover exposing one of the worst scandals in FBI history.