CNN Anderson Cooper Special Report July 1, 2014 06:41:00
The bad news, we still don't -- can't give you a suspect. >> the dna profile of their killer did not match any of the known criminal offenders in the national database. >> the dna match didn't tell us who that person was. that was our job, to find him. >> but it wouldn't be easy. margarette eby's murder took place many years earlier, and nancy ludwig was murdered in detroit, over 75 miles away from flint. but investigators suspected that the killer drove a monte carlo automobile and had access to twine used by landscapers. the hotel employee's boyfriend who owned the monte carlo had an alibi f...