You are witness to a robbery. A man has robbed a bank, but instead of keeping t

You are witness to a robbery. A man has robbed a bank, but instead of keeping the money for himself, he donates it to a homeless shelter that can now afford to feed homeless residents. If you report the crime, the money will be confiscated and returned. If you don’t report the crime you might be violating your conscience. What is the ethical thing to do in this situation and why?