Elsewhere, maybe, but there is some serious investigating that needs to be done right in the swamp, before the servers get wiped.
They were IT. There will be no trace.
I guess I don't know that - If they were general IT staff, or if they worked for a particular senate or house office... and even if IT, what positions were held. But even as helldesk, I could easily copy data and get it out of the building before uploading.
Of everyone who must be above reproach and political affiliation, it should be IT... even foremost.