Maurice Williamson has been fingered as the most likely suspect as "Minister of Bad Manners" - but there are questions about whether the Australians supposedly offended by his behaviour were simply thin-skinned.
The Sydney Morning Herald reported that in the VIP area during Sunday's Rugby World Cup game between the Wallabies and Italy, a minister of the Crown had offended Australian officials by booing throughout the match.
The journalist who wrote the story insists it is "gospel, not gossip".
However, others in the VIP area that night have spoken up, some saying they noticed nothing and others saying that while Mr Williamson was a boisterous spectator who clearly supported Italy over the Wallabies, he was not offensive.
Mr Williamson avoided the media yesterday, but on Tuesday he denied he had misbehaved or said anything offensive.