And it was simply impossible to do it: to conduct the professional investigation of the extremely complex set of issues in 1-2 weeks.
The artful montage of the video documentary is not a legal proof yet. We need to see and to understand the mechanisms, organizational structures, connections, foreign connections, finances, leaderships, their personalities, etc., etc. behind the facts and behind the screens.
However, with all due respect to the intricacies of the “legal analysis”, met with the loud laughter in the Chamber, this Trump’s complicity question is like the situation with the suspected pregnancy: it is all or nothing. For Trump, just like for Putin and many other autocrats, it translates into the prospects of the prison term, lurking still from afar but quite realistically. He had all the motivation in the World to be complicit, and this type of behavior would be very much in line with his character.
There are good reasons to believe that Trump was complicit, and therefore he might be viewed as culpable. The degree of culpability is the next legal exercise.
The Counterintelligence Investigations cannot be conducted within the legal framework, this attitude invites defeat and is the recipe for disaster. The CI activities are most optimal when they extend from the post factum, defensive stance to the pro-active, offensive stance and extend deeply into the adversaries camps, into their plans, and into their operations, as apparently practiced by the German and Russian Security Services.