Who is Eddie Lomax from The Firm and what is their importance?

Eddie Lomax was a friend of Ray's. Because he was Ray's brother, Eddie was willing to help Mitch in any way possible. He worked independently as a private investigator. Mitch hires him to investigate the deceased employees of the firm and the way in which each died. Unfortunately, their meetings does not go unnoticed and Eddie is murdered before he can be of help to Mitch.