Twins Ron and Reg Kray were without doubt the most powerful, violent and deadly gangsters that London has ever known. They ran protection rackets, clubs and casinos, as well as fraudulent 'long firms'. They blackmailed, intimidated and killed - for many years with impunity thanks to their powerful cronies in the Establishment. Working with all five main Mafia families in New York, they were expanding their business worldwide when they were imprisoned...