Not only was Kyle not enthusiastic about playing outside anymore, but when he finally started going on walks again, his entire demeanor was completely different. It seemed that the happy, carefree dog had gone, and in its place, the K-9 instincts were in full force. The couple noticed that Kyle was acting more and more like a police dog, alert, and even fierce at times. But there was more to it than that, something that the Smiths were about to finally discover.