Rio, a Belgian Malinois who used to back away from people, was placed at the Woodside Animal Welfare Shelter near Plymouth, Devon, England, after moving between several foster homes during his childhood. Having had almost no experience with the outside world, he was extremely afraid of people and unfamiliar environments.
Shane Kernow, a former police dog trainer, visited the shelter in 2020 after being asked to evaluate Rio's behavior. He recog…