city. >> detective mois still remembers the copper assent of blood that hit him when you went across the hundred home. >> a heavy metallic kind of humidity was in the air, almost. your most feel it, its presence. there is a lot of it. there was a lot of it at the hunter household. >> from the left of the throat -- front door, in the living room off the hallway, lay the body of the boy, tom hunter. >> he was lying on his face. his hands were down at his side, a fair amount of blood around his head. >> down the hall, the body of the housekeeper, shirlee sherman. he was found face down, a large amount of blood underneath. or stainless steel blood of a kitchen knife protruding from her neck. >> for the victims were killed in the same way. oddly enough, there were no signs of struggle. no fingerprints, no bloody footprints. >> was this person careful, or very lucky? >> it could be both.