Steve Walker wrote:
Others have valid suggestions. If it happens again, take pictures of the
mauled kittens, go to the neighbor's house, and show the pictures to the
kids, in front of the neighbor, and inform them if the dog comes on your
property again, he will end up looking like the kittens.

He said they were close friends - you don't do that with close friends.
Well, I don't.

Friends are friends, but pets are family members, and deserve to be
protected when on their own property.

Indeed they do, but he has a number of suggestions that are worth trying
before being offensive.

Bob