or itching for some cuddle time. but you may not know when he's itching for help... licking for help... or rubbing for help. if your dog does these frequently. they may be signs of an allergic skin condition that needs treatment. don't wait. talk to your veterinarian and learn more at itchingforhelp.com. >> reporter: in the summer of 2003, michael peterson would stand trial for the bludgeoning death of his wife, kathleen. he'd pleaded not guilty to first-degree murder. >> i am innocent of these charges, and we will prove it in court. >> reporter: with gavel-to-gavel coverage on live tv, the state versus michael peterson was a national spectacle.