.- Most all credit card theft comes from making purchases in person, not on the internet.Overall this is a good intro book into hacking and cyber crimes.

If there is something minor, old, or not a threat to my property I don't worry about it.

Im a recent College Graduate with a Bachelor's degree in Cyber Security.

My thinking is that if I escalate too fast, he will have nothing to lose and then be more inclined to vandalized my house.Whereas if I hold off on filing Unlawful Detainer, I can threaten to file it and use the threat to reach an ideal outcome where he moves and and doesn't trash my place.

But I think that jumping into a $2M deal without much exp can be a death threat. 

do they see it as a threat to their dorm rooms?

With that being said, you'll also find companies (such as the one I work for) that are honest people, we turn down many applicants that pose a potential threat based on the rental history.

My suspicion is now at threat level orange. ;)

I would definitely have your cousin sign a purchase agreement with you prior to you writing a check to bring the loan current in case they get amnesia once the threat of foreclosure has been abated.

His threat is apparently in a text message, but I do not currently have possession of that message.