Yeah, because in Chapman-land, looking in a window while cop-cars are going by means "armed".
Yeah, while looking in a window set inside the foyer, away from the sidewalk
Yeah, while watching cop-cars 'going by' at speed with sirens wailing.
Yeah, while catching the attention of Brewer.
Oh, yeah... show us were I said anything more than that being armed would be a
possibility given Brewer's description of the scene.