Dealing with stolen goods is something that's specially handled by the law (e.g. fencing is a separate crime). All these are situations where due to actions of

Dealing with stolen goods is something that's specially handled by the law (e.g. fencing is a separate crime). All these are situations where due to actions of person A a situation has occurred where either person B or person C must be harmed. The general principle is that the solution should harm that one of them who was more negligent to allow such a situation to occur.