We fostered a dog Gizmo. No back round check nothing. We were just handed over the leash. We were told nothing about him, he was just a stray. However marks on him told a different story. He was a great dog, then changed. He became very protective of his mom and stood in front of her to protect her from anyone, even his dad. He had threw up and had the runs everyday and peed more then normal. We called the lady who gave him to us and she said bring him to the A C C , when we got there she handed us needles and meds said give him this. No vet seen him. We were told to much we could kill him. I handed him back. We no way were going to maybe kill him and he needed a vet. We never forgot him, never stopped looking for him.