What was the UK "Who Wants to be a Millionaire?" cheating scandal known as?

The UK "Who Wants to Be a Millionaire?" cheating scandal was known as the Major Fraud due to the involvement of Charles Ingram, a contestant who was accused of cheating to win the £1 million prize in 2001. Ingram's cheating method involved the help of an accomplice in the audience, who would cough to indicate the correct answers. This scandal led to a highly publicized trial and the subsequent conviction of Ingram and his wife for deception.