There are two primary reasons to edit an interview: to focus information and to shorten the time it takes to convey that information. A person will talk to you for 10 minutes, an hour, maybe two or three hours, and you'll usually end up using only a few bites, unless the entire film is a conversation with. "You must condense the interview material in a way that does not alter its initial meaning and remains raw transcript of a witness describing your character, Sanders