The problem is, when he does illegal stuff using your corporate resources, like running an illegal crypto scam it's a whole heckuva lot harder to say "Oh, we didn't know he would do that!" in court.

> it's a whole heckuva lot harder to say "Oh, we didn't know he would do that!" in court.

No it's not. If he did his time, he must be given the benefit of the doubt since he should be "reformed" by now.

That's your risk to take if you like. However, I don't think it will stand up in court.