Yo Vinnie's Legal Insanity

Is it possible this is really OJ's knife?  Will investigators be able to test this knife and prove it is OJ's.  Forensic Investigator Joseph Scott Morgan from Jacksonville State University takes a look. If this is true will it bring any sense of justice to the families?  Is this an incredible discovery or some sort of a sick publicity stunt related to the TV series? Many questions... listen in for some answers.