bathroom and either wash her hands or wipe her hands on a towel, one of the two. before coming back to the table and before the test was done. >> so odd things. anyway, police scoured the place, didn't see any murder weapon lying around. and they were about ready to take dave's body off to the morgue when some instinct told the lead detective to look here. he cracked open the doors of the grandfather clock in the dining room, looked down inside, and there it was. >> this is more than likely the murder weapon. >> a ruger six-shot revolver. surely no prowler would have dropped a weapon right here in the dining room clock. >> the prowler theory did not make any sense whatsoever. with a hidden gun inside the house. >> and so it wasn't long before investigators shifted their focus from unknown prowler to the woman who had reported one,