I bet there's not a major city in the world that the dope dealers don't cut in whatever the fuck they can get their hands on. There are many things that will tranquilize small animals, but xylazine isn't a bad guess.
That is downtown by Live casino...ain't nobody trapping around there...if that is tranq, then somebody dropped a pill& my man fond it& nibbled, or something; but he did not " find a stash" over there...