Where have you been??? It has been kicked around that it is:
https://en.wikipedia.org/wiki/Logan_Act
But it could be part of all sorts of criminal acts including conspiracy, lying to the FBI (Kushner met with the FBI about Flynn), obstruction, etc.
I would have to be something really UNIMPORTANT for Mueller to give Flynn a sweetheart deal for in part, that information?
Is that what you're saying? Or are you saying we know the inner workings of Mueller's team?
Mueller will be the one to tell you what criminal charges are worth our time, not forum posters.
Flynn appears to have gotten a sweetheart deal in part at least, to finger Kushner. It would be absurd to suggest Mueller did this without knowing that it would lead to criminal charges or a deal with Kushner, which would lead you know, one step higher.