Interesting how this article gently avoids mentioning the denominator (it works out at about 1/1000 under investigation, and 1/3000/year dismissed). https://www.theguardian.com/politics/2024/apr/15/home-office-staff-under-criminal-investigation-freedom-of-information

This turns out to be about the same order of magnitude as "adults first convicted of an indictable offence each year", ergo people working for the Home Office are approximately just as likely to do crimes as any random section of the population without prior criminal records. Guess there wasn't space to include that.