jarman said they talked and had consensual sex. he killed shirley andronowich when she threatened to tell her husband. jarman said he emptied the contents of her purse to make the scene appear to be a robbery. but investigators didn't believe jarman's entire story. staff sergeant dan rahn is a blood spatter expert who studied the crime scene photos and noticed an inconsistency in jarman's story. the distance blood travels from a head wound struck by an object the size and weight of a cement block is 10 to 12 feet. creating medium velocity impact spatter. on the papers found within 10 to 12 feet of shirley andronowich's body, rahn discovered medium velocity impact spatter. >> the pictures of the evidence actually showed that the contents of her purse had been strewn around at some location in a position where they were exposed to the bloodletting. >> which mean that shirley andronowich's purse was ransacked before she was murdered, not afterwards. mark jarman was convicted of first-degree murder and sentenced to life in prison with