shaw. mrs. shaw indicated that the person with the red mask was the most aggressive in the robbery. >> the identity of the other two dna profiles in the mask was inconclusive. the ski mask implicated ronald benson. the shoe impression outside the shaws' home implicated shannon touchet. but there was no forensic evidence linking reggie basile to the crime. >> as an investigator, that's a little hard to swallow, you know. that's a little hard to leave in the end of the day with, knowing that there's nothing else you can do, and you feel fairly certain of who's responsible for doing it. >> investigators hoped that would change.