Kenyon Confronts: Horses for Courses was broadcast on 11 June, 2002 on BBC One

Kenyon and team go undercover to bring us the first ever secret footage of horse-race fixing.

Posing as a wealthy gambler, Kenyon films big name trainers offering to cheat races, and then buys a horse to watch the process at first hand.

In the four month investigation, Kenyon was assaulted twice and was finally rumbled after the Jockey Club warned all trainers to look out for him.

One jockey tells Kenyon "Races are often carved up beforehand, the genuine punters don't stand a chance".

The UK spends over �5bn betting on horse racing each year and there are race meetings held nearly every day of the year.

The evidence in this programme now raises the worrying question - how many races are genuine, and how many are fixed by owners, trainers, jockeys and bookmakers?