CNN Forensic Files May 10, 2015 04:37:00
As investigators analyzed the scene of sarah walker's murder, they quickly discovered that she was killed in the living room after a horrific struggle. it was also clear that the killer was injured too. >> he turned the dead bolt knob and he closed the blinds, but his hand was already cut. so he left his blood in both of those places. and then at some point, he dragged sarah into the kitchen and then he tried to clean up, because that was his blood in the sink. >> investigators also found perfectly round drops of blood on the floor of the kitchen near the body. >> that shape is indicative of b...