Those are at least 21 round 9mm magazines if not 24.
If this guy was going for it he’d run out of people to kill before he ran out of bullets.
My wife’s cousin, expat NYorker, lives in a high rise apt bldg across a wide road from that supermarket, outdoor mall, and she was taking a walk and going back when she was told to go a different way by the cops.
I wonder why he loaded in the bathroom, as he could have come in loaded already. Weird.