When John Whittingdale was appointed as Culture Secretary last year, he didn't tell the Prime Minister the press had potentially embarrassing information on him.
Months later, he said he would not impose financial punishments on newspapers that break the rules.
Did the newspapers hold off publishing because he was helping their interests?
ITV News Political Editor, Robert Peston reports:
There was no conspiracy between newspapers over the Whittingdale affair, but there is circumstantial evidence involving Tom Watson.
A Downing Street spokesman said the PM has 'full confidence' in the Culture Secretary after campaigners claim his role has been compromised.
Here is a list of key events leading up to Culture Secretary John Whittingdale's revelations on Tuesday he had an affair with a prostitute.