Most Helpful Guy
If you are happy he got robbed then that is bad. If you are just happy that has lead to an opportunity for you then that is normal. People should be grateful for the good things in their lives.
Overall you sound normal, but it can be taken the wrong way. So it is best not to tell others. Imagine a guy you work with has a great position at the company, and you like him as a person. Then he dies and you get the position you always wanted.
You can be both saddened by his death and happy over your new job at the same time. That doesn't mean you are happy that he died. Your conflicting emotions are just confusing you.