3: The Counterfeiters.In the last of her series on trails of evidence, Frances Fyfield follows the complex and dramatic tale of "Operation Catacomb". It is a story of round-the-clock surveillance, painstaking sifting of clues and co-ordinated dawn raids which leads to the eventual conviction of a ring of international counterfeiters, the seizure of more than L2 million worth of counterfeit notes and the discovery of a clandestine print described as "a supermarket for career criminals". Producer Paul Kobrak