In their lawsuit, Jamie and Marian Harris allege their vet, Millard Lucien "Lou" Tierce III, DVM, said he had discovered in an X-ray that the dog had a birth defect that could not be fixed. The couple, after consulting with the vet at his Camp Bowie Animal Clinic, determined the best course of action for their 170-pound Leonberger was euthanasia. Six months later, the couple was tipped off by a vet tech at Tierce's clinic that Sid was being kept alive, caged in deplorable conditions and being used for blood donations. In the lawsuit, the family said they immediately took...