They should be able to charge him with violating her Civil Rights. That is what they charge citizens with if they hold illegals for Border Patrol or do anything to stop them from trespassing or committing crimes. I know someone who was sentenced to 20 years on federal charges of violating the Civil Rights of illegals on his property.
I doubt if it works both ways, but if she had murdered him they would have charged her with that; especially if she had been found not guilty of his murder by a state court.
He is obviously a member of a protected class. Thus it’s unlikely that he will be charged. But there are clearly all sorts of crimes that he could be charged with.
Politics is a scam and we’re suckers for playing.