robber got the jewels. that s because he was put in the back of the police car, and never got back inside the house again. and finally there was the story told by blood. the medical examiner had determined that susan had been strangled with two neckties, but her fatal injuries came from being bludgeoned by a blunt object, a murder object never found. investigators had to interpret the blood evidence left behind. and for that, they hired a bloodstain expert named ross gardner. this was a relatively contained crime scene. good amount of blood, a lot of impact spatter. gardiner carefully examined everything the doctor had been wearing that morning. a lot of the blood on his clothing could be explained by his intent to administer cpr, but the expert looked at hamilton s shoes, the left one in particular, and found that to be a different matter. the shoes were found next to susan s body. john said they fell off his