Cult of Violence

John Pearson knows more about the Krays than anyone alive. Legend, starring Tom Hardy, was based on his book The Profession of Violence and it was Pearson who exposed the Boothby connection in 1994. In 1967 the twins asked Pearson to write their biography. He remained a confidant of the family and the brothers throughout their trial and prison years.

Now Pearson revisits the twins'' criminal past ...