I imagine that once the dust settles, the paranoia will lift and you will feel angry. Be careful not to respond with venom in his direction...no matter how much he may deserve it.
I think you handled it well. And, if it continues, you have the emails and family support necessary to file harassment.
What an A-hole.
"You know, it's times like these when I realize what a superhero I am." Tony Stark/Iron Man
“Focus on what you can do, then do it with all your heart.” Lois Wilson