Rosenstein was running multiple investigations from 2017 all the way through the time he left the DOJ in 2019 that never leaked. Not just DURHAM. He was also running an investigation using a crack FBI leak hunting unit that was handing off it's evidence to a federal grand jury. AND NOBODY KNEW ABOUT IT AT THE TIME. Because the operational security was JUST THAT DAMN GOOD. https://www.theepochtimes.com/how-the-dc-leak-culture-was-made-powerless-to-thwart-spygate-investigations_2834666.html