in a large amount of blood. >> it was odd, bryan thought that the police officers didn't take tom's clothes or bag his hands for gunshot residue. >> he still had evidence on him and he needed to be preserved. he needed to be controlled. >> he needed to be processed. >> and clothing removed, everything. >> that's not what happened. not at all. and soon after ashley was rushed off to the er, tom got in the back of his squad car and was driven away, but surprisingly, not to the hospital. >> coming up, tom tells his story. >> i heard her gun cock. >> the wound on the back of her head isn't where she could do it herself, tom. when "dateline" continues. en "d. pass the ball... pass the rock..