They will need to charge him of something if they think Trump has committed a crime. To my knowledge that has not happened. Maybe he was holding onto those documents so he could collude with the Russians again?
In the meantime, we are gonna have to wait for this thing to play out. At the very least, they have their documents back and a few pairs of Melania's underwear.
It doesn't appear the FBI is the least bit concerned with Hunter and the potential foreign influence his overseas business dealings may have had on a sitting president.
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