With regard to the leaking of information from Cabinet meetings or Cabinet committee meetings, since November 4, 2015: (a) of how many instances of leaked information is the government aware; (b) how many individuals have been, or are, under investigation for leaking such information; (c) have any ministers been investigated for leaking such information and, if so, which ones; and (d) have any former ministers been investigated for leaking such information and, if so, which ones?
In the House of Commons on January 28th, 2019. See this statement in context.