our city. >> reporter: even now, nine years later, detective mois still remembers the coppery scent of blood that hit him when he stepped across the threshold of the hunter home. >> there's a heavy metallic kind of humidity in the air almost. you almost feel its presence if there is a lot of it and there was a lot of it in the hunter household. >> reporter: to the left of the front door, in the dining room off the main hallway, lay the still remembers the coppery scent of blood that hit him when he stepped across the threshold of the hunter home. >> there's a heavy metallic kind of humidity in the air almost. you almost feel its presence if there is a lot of it and there was a lot of it in the hunter household. >> reporter: to the left of the front door, in the dining room off the main hallway, lay the body of the boy, tom hunter. >> he's lying on his face. his hands are down at his side. there is a fair amount of blood around his head. >> reporter: and down the hall, the body of the housekeeper, shirlee sherman. >> she was found laying face down with a large amount of blood underneath her, a stainless steel handle of a kitchen knife protruding from the right side of her neck. >> reporter: both victims had been killed in the same way. and oddly enough, there were no signs of struggle. no fingerprints, no bloody footprints. >> was this person careful or just very lucky?