sounds like another case of overswatting with undertrained wannabes. “undisclosed reasons” indeed. in this day and age we can’t presume it was necessary for a dynamic entry, but it is always the first option because it’s so cooool.
how about “Knock. Knock. Sir, we have a warrant to search your house for ‘xyz’. If you don’t control your dog we will have to incapacitate it.” mighta worked better.
shoot the dog ... take the canoli
I have a suspicion that the dog was the only one on the premises. Intruders break in, what's a dog going to do?