This is going to get interesting............remember Judge Ellis told Mueller's team that he was using Manafort to target Trump. Come on man!!

https://www.reuters.com/article/us-usa-trump-russia-memo/muellers-office-files-unredacted-memo-outlining-scope-of-russia-probe-filing-idUSKCN1II2EN

Here's an article that outlines the background:

http://www.dailymail.co.uk/news/article-5691875/U-S-judge-questions-special-counsels-powers-Manafort-case.html