." >> reporter: investigators reported back to this man, wood county prosecutor paul dobson telling him what they had to work with and what they didn't. >> somewhere along the line, you had to greenlight this and commit budget money to it. you had to roll the dice a little. >> we had to find out whether -- there was justice to be done. >> reporter: the prosecutor's investigator teamed up with the northwood police department to rebuild what had been lost. to track down people and interview them again. that included paramedic ron billings. >> she was laying on her right side in the --semi-fetal position. >> reporter: billings had been one of the first on the scene that night. what he found has haunted him, he says, for thirty years. >> i see her laying on the side of the road in between the pavement and the sidewalk. i put my hands behind her head and we roll her over and -- my hands come out and they're full of blood and at that point i just shake my head and -- this isn't real good. >> you're gonna lose her, huh? >> i didn't think she was gonna live through the night. >> reporter: the p