>> and he seemed to be very proud of that fact, versus remorseful. >> reporter: but was this premeditated murder? the only other witness to the shooting was about to tell her story. coming up -- a purse left as bait? >> the purse was for them to take. >> and one more revelation. >> he said he had been sitting up for three nights with a shotgun. >> a hairstylist is about to provide the most hair-raising testimony of all.