Well besides that has anyone considered something? The poison might not get the "intended" target. Poison is not selective. The vicious dog may be too "hopped up" to bother with it. So it could be consumed by someone's pet (dog on a leash) or cat. It could also be consumed by some wild animal like a bobcat, fox, raccoon, vulture, bald eagle, hawk etc. Leaving poisoned food around is not a really good idea. I believe it is also highly illegal because of the possible harm it could cause.