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The Orange County Sheriff-Coroner Department OC Crime Lab (OCCL) is managed by the Cooperating Department Heads, comprised of the Sheriff, DA, and County CEO. Acting Director Tom Nasser manages the DNA, CSI and Photolab units; Assistant Director Maggie Black manages the Cal-ID Bureau, Latent, Impression and Clerical units; Assistant Director Pennie Laferty manages the Quality Assurance and Criminalistics units; and Assistant Director Bruce Houlihan manages the Forensic Chemistry, Information Systems and Facilities units.