Man Thinks He Saved A 'Puppy' - When Vet Sees It, He Says, "You're Not Supposed To See This"

The noise actually got their own dog to react with loud howling and scratching the door. It had not been in the same room as the animal ever since their first encounter yesterday, where their dog tried to attack the poor creature, What was it that drew such a reaction from their normally calm feline friend?