tim schumaker was an over-the-road trucker when he and teresa found each other. >> reporter: how'd you and theresa meet? >> on the internet. >> reporter: what'd you like about her? >> she was attentive. just a sweet lady. >> reporter: before long, tim and teresa were living together. tim gave up long distance home. >> reporter: she tell you she was a suspect in a murder investigation? >> she told me. >> reporter: and she said, "i didn't do it. i didn't have anything to do with it." >> she didn't have to say that she didn't do it. i knew she didn't do it. investigation may have been frozen in red ink but ray's daughter monica was still in action. emailing, cajoling, pleading. >> i wrote letters to the ohio attorney general. then i got a phone call and they said they were looking into it. >> reporter: ohio attorney general mike dewine had recently started a cold case unit and, in september 2012, three years after ray kotomski's death, dewine's office reopened the case, with teresa the prime suspect. >> i didn't want her to get away with murder. my prosecutors and detectives didn't want t