He's been called the most powerful man in Britain. And now Nick Timothy, Theresa May's Chief of Staff, has been drawn into the row over election expenses in South Thanet.
The dispute is over how much the Tories spent to stop Nigel Farage becoming the MP there last year.
£15,000 was the limit on how much the local campaign could spend, but there are claims they spent much more than that. Kent Police are investigating.
The Tories insist they've done nothing wrong. This from Phil Hornby.