There was no proof of hacking (that I’ve seen). My guess is that the expulsion of Russian diplomats was done to leave a mess that would force the incoming administration to make phone calls to deal with it.
The 35 Russian diplomats and their families were expelled with 72 hours notice during Christmas week
The excuse? Hacking the US election. Now we know that didnt happen...at least, for Trump.
We deserve to see the background on this operation - who, what, why, when
Crowd Strike said under oath there was no evidence that Russia hacked the DNC server. The democrats hired Crowd Strike to examine the servers. The FBI was not allowed to examine the servers. Seth Rich was Wikileaks source, not the Russians. It is all coming out.