Chances are good that once you leave U.S. soil, that is if they let you, you may not get back. Homeland Security and all that
If you are a convicted felon, the chances that you will be denied entry into Canada are very good.
No
no
He is a convicted felon
Not likely.
No documents are needed. Once we find out you are a criminal you won't get in. Besides, we have enough criminals of our own. We don't have to import them.
yes yes
Europe should be no trouble, Mexico shouldn't be an issue either. Good luck with Canada. You need to fill out some rehabilitation form to go there.
You need to ask a lawyer about that.
Provided he is not violating any law while doing so, likely yes.
Medical license revoked after convicted felon?
A convicted felon can do anything he/ her puts their mind to.