A dog could see your heart in your eyes, Budress told him, and dogs were drawn to our hearts.

Talk to her, goddamnit. She ain't a stick of furniture. She is one of God's creatures, and she will hear you. I see these goddamned people walkin' dogs, yakking on their phones, makes me wanna kick their sissy asses. What they got a dog for, they want to talk on their phones? That dog there will understand you, Officer James. She will understand what's in your heart. Am I just shouting at the grass and dog shit out here, or are you reading what I am telling you?

The best dog training was based on the reward system. You did not punish a dog for doing wrong, you rewarded the dog for doing right. The dog did something you wanted, you reinforced the behavior with a reward - pet'm, tell'm they're a good dog, let'm play with a toy. The standard reward for a K-9 working dog was a hard plastic ball with a hole drilled through it where Leland liked to smear a little peanut butter.

Quite a few of the dogs that come back from Afghanistan or Iraq or police dogs that are involved in violent confrontations where there's gunfire can in fact exhibit the symptoms and suffer from PTSD.