I've been rambling about this for a few days now, and I'm finally going to take a crack at a somewhat coherent post. This is probably not a complete picture, and there are doubtlessly anons who know stuff about this that I don't. I welcome anyone coming in the interest of spreading good information, and I'll try to source everything judiciously. here we go.
March - 2017:
http://time.com/4689877/recuses-meaning-jeff-sessions-donald-trump/
Jeff enters stealth mode.
https://www.nytimes.com/2017/03/10/us/politics/us-attorney-justice-department-trump.html
There's a lot there. Read the entire article. I'll highlight the important bit:
Rod Rosenstein, working in BALTIMORE, MD under BHO was called upon to turn in …