When is it possible to be a witness in a trial, even if you were not at the scene of the crime and have no personal knowledge of the event? 1.When you are an expert in an area involving some of the facts of the case. 2.When you are a public defender appointed to work with the defendant. 3.When you are the spouse of a plaintiff and know the parties involved in the case.
4.When you are a victim and were harmed by the actions of the accused.