Necessary to whom?
You?
Because you want to see a trial, they must go through it?
Give me a break.
Contrary to the usual rules, Nifong's malfeasance has made it necessary for THEM to prove their innocence. THEY need to get their lives and reputations back. The orderly presentation of evidence of their innocence in open court is preferable to any books afterwards because people like you will more than likely continue to suspect they really were guilty.