It was a different time.
I’m also guessing that wax or rubber bullets were used.
Whatever they were they made nice holes in the wall.
Walls are usually tougher than body parts. Especially facial parts.
Today’s city lawyers’ blood pressure would immediately spike to 300/250 and they would fall over dead if any modern cops tried that trick shooting!;)
It was a different time.
It was a time long before spray and pray became the norm.