CNN Forensic Files June 15, 2014 09:19:00
Investigators found a bent serrated knife, a broken clothes iron, a pair of men's athletic shoes and bloody clothing. they sent the knife to forensic pathologist dr. jamie downs. >> with the serrated knife, i look at the separation. tines of the serrated points, the little points stuck out and noted that those were at repeated intervals, very consistent repeated intervals. >> dr. downs then compared the size of the serrations to the knife marks on heather's skin. and they were the same. a group of abrasions on the side of her neck no bigger than a half an inch was matched back to a knife in th...