Arcangelo Caressa, Bruno’s trainer and friend, made an ominous promise to the killers after he found the seven-year old bloodhound in a pool of blood on Friday.

The killing of a police bloodhound who helped find nine people over the course of his sniffer-dog rescue career has outraged Italians and sparked a criminal investigation to find his killers. Bruno, a seven-year-old,

Animal rights activist Michela Vittoria Brambilla suggested that the dog had been targeted by criminals because of his role in seizing animals used in dog fighting.