I suspect there is collation of every interview and every Tweet from potential material witnesses and potential 'targets' of Mueller's investigation.
Maybe a full time FBI agent in a room with a TV, a computer and a smart phone?
And I'll bet this kind of 'suspect board' is all electronic by now:
Maybe a full time FBI agent in a room with a TV, a computer and a smart phone?
And I'll bet this kind of 'suspect board' is all electronic by now: