One reason comes to mind, "some people are not worth screwing with."  

President Donald Trump was warned:

May 16, 2017, 1:47 AM - Donald J. Trump ✔ @realDonaldTrumpThe real scandal here is that classified information is illegally given out by "intelligence" like candy. Very un-American!3:13 PM - 15 Feb 2017.  Donald J. Trump ✔   😏 John Schindler ✔ @20committeeNow we go nuclear. IC war going to new levels. Just got an EM fm senior IC friend, it began: "He will die in jail."https://twitter.com/JWal077/status/831871381570781184 …4:27 PM - 15 Feb 2017  

The State Department, CIA is making good on their promise.