Expert on Forensics and Glove DNA Recovery

The FBI released a more specific description in Nancy Guthrie's disappearance, saying the suspect is male, between 5'9"-5'10", and his backpack is a specific brand from Walmart. Anderson discusses with CNN's John Miller and Jonathan Wackrow, former NYPD detective, David Sarni, and retired FBI profiler, Mary Ellen O'Toole.

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