Informer 3838 was the secret police weapon in the fight to end Melbourne’s murderous gangland wars. For years the public only knew of her as Lawyer X until she was unmasked as the high-profile barrister, Nicola Gobbo. Her clients were a who’s who of the “underbelly” world, including infamous gangsters like Carl Williams and Tony Mokbel. As the body count in the deadly criminal war climbed, she worked hard and partied hard, playing a dangerous double game.