I hope no one gets offended by this, because I don't know what in the heck I am talking about. lol. Two friends of mine are heavily involved in training GSDs. They've done it for years. I remember my friend mentioning to me that the police dogs are actually pretty much rejects. They are the ones who didn't do well in the competitive thingy majigy (can't remember the name, sorry). She said that the police departments are to cheap to buy the good dogs.

-Now don't get upset, because I to believe that all dogs are good dogs. And I like I said, I don't totally know what I am saying; just repeating what I was told. But apparently, in the US, the police dogs aren't the best out there.