Crockett visits Wyatt which results in the two having a brawl. At one point, Wyatt is tossed over a couch, but once the actor makes it over the couch, it is clearly not the actor but a stunt double with a wig.
When Tubbs calls out to Arzola, he already has a weapon in his hand. It is clear dressed the way he was there was no place to conceal it. So he is walking around in this hotel, with a gun in his hand. No says anything, calls the police. No way.