Original:  Baumeister would posthumously be suspected of killing nine other men, the bodies of whom were found in rural areas along the corridor of Interstate 70 between Indianapolis and Columbus, Ohio  during the early to mid 1980s.
Revised:  Baumeister would posthumously be suspected of killing nine other men, the bodies of whom were found in rural areas along the corridor of Interstate 70 between Indianapolis and Columbus, Ohio , during the early to mid 1980s.
Edit intent: fluency