Guy Vallaro, director of scientific services for the state Department of Emergency Services and Public Protection, stands next to rapid DNA testing equipment at the state Forensic Science Laboratory in Meriden. He said an upcoming study will determines what DNA samples are missing from the state database. Ken Dixon/Hearst Connecticut Media Guy Vallaro, left, is director of the state Forensic Science Laboratory in Meriden, with Deputy Director Sevasti Papakanakis.