It's amazing how much local information you can get from certain individuals. Apparently this judge has a habit of whacking government prosecutors, but usually backs off in the end.
http://twitter.com/rachelweinerwp/status/992442992291131393
"The judge went on to say that, even so, the charges likely aren't illegitimate, and he sees no evidence that they are beyond the scope of DoJ authorization in the Mueller probe."