. >> sheriff brent myers and his deputies arrived on the scene to find a mystery. what was the temperature that night? >> temperature was probably about 35, maybe 40 degrees. >> so anybody walking around out there without shoes or a coat, i mean, that doesn't make sense. >> doesn't make sense, no. but we don't know if it's an attempted murder or if it's just a bad accident. all we know is we have an injured female in the middle of the road and we have very little evidence. >> but soon they had her name, courtesy of a bank card they found in her pocket. it was issued to kristen grindley and investigators soon learned there was a recent graduate of nearby washington state university by that name. they got a phone number for her parents, rick and pat grindley across the state in woodenville, washington. >> he said, i'm calling about your daughter that was in the accident. >> pat grindley bolted awake. what had happened to kristen? how badly was she hurt? >> and i just remember screaming, is she alive? >> haned the phone to me and it was a chap lain with the police dep