“A canine killing machine [breaking] tether of its spaghetti limbed, hipster handler” is not what occurred in this case.
What happened was a common dogfight. Perhaps started by the poodle, perhaps started by the other dog, but the incident had been taken care of by both dogowners.
I wonder how many human on human crimes occurred, because two or three cops decided to intervene with one man’s dog? Crime must have been slow at the festival that day.
Well, why don't you find out and tell us? The article did say there's never a shortage of cops at the Adams Morgan day - right at the very beginning in fact, just before it says the dog got out of hand.
Also, the designation "K9 cop" means a cop specially trained as a dog handler, not "two or three cops" as you seemed to deduce.