the ransom note and sign in the store window, investigators confiscated both his home and office computers. >> the preliminary search that was conducted by the state police and one of our other agents revealed exactly to me what it revealed to them. initially nothing. >> next, investigators wanted to know the approximate time of sally's death so they could question kopenheffer about his whereabouts. a forensic entomologist analyze the insect activity on sally's body. by analyzing the outside temperature on the weekend of sally's murder, dr. kim estimated that the insect activity commenced on the body late on friday afternoon, the same day she was kidnaped. >> then investigators and the prosecution look at that to say,