Dr. Alison Liu, bottom, a veterinarian with the American Society for the Prevention of Cruelty to Animals (ASPCA ) forensic unit, and Ellen Vancelette, forensic sciences administrator with the unit, makes photos measuring the development of Lulu, a 5-year-old Boston terrier rescued from abuse, Thursday April 7, 2016, in New York. Dr. Liu is one of three forensic vets at the New York based ASPCA unit working with the New York Police Department to capture evidence and punish animal abusers. (AP Photo/Bebeto Matthews)

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