That is, until they are off duty. Then they turn back in to puppies just like any other dog.
Here’s a quick video of a police dog – a reader points out, correctly, that this is a Belgian Malinois (and not a German Shepherd) – goofing around and loving on his companion officer.
We’ve got other stories about how amazing dogs provide services only they can do – see this one about how dogs can sniff out pollution!