I don't think you understand the situation.
The DNC 'server' is actually a server farm consisting of over 100 hard drives. They have been in the Ukraine, never here in the US. That is why the FBI could not take possession of them and investigate them. That is why CROWDSTRIKE, hq'd in the Ukraine said they 'investigated the server'.
>>>That is why CROWDSTRIKE, hq’d in the Ukraine said they ‘investigated the server
Fake news. Crowdstrike is US based company whose stock is traded on the NASDAQ exchange. It HQ is in Sunnyvale, CA.
One of its founders, often cited as Ukranian, was born in Moscow, moved to the US as a teenager, and is a US citizen