Huge clue for Millionaire viewers that proved something was wrong in coughing show

mirror.co.uk:

As Charles Ingram sat in the Who Wants to Be a Millionaire chair, producers started to notice his odd behaviour and were convinced they had a cheat on their hands.

To help him win the life-changing prize, Ingram's wife Diana or fellow contestant Tecwen Whittock would cough when he said the correct answer.

In total there were believed to be 19 strategically timed coughs. But host Chris Tarrant has always insisted he had no clue what was happening, saying: "If I thought there was anything wrong, I certainly would not have signed it (the cheque). "They seemed as normal as people who have just won a million pounds would be in the situation." But just hours after the historic win - which is the subject of ITV's new show Quiz - the wheels had