This is a US case, so yes I'm referring to US cops...
The concept of shooting to wound is much the same as using a fly swatter to wound a fly, but not kill it.
Cops and Military are trained to shoot to kill. A full magazine being shot is typical for police officers, and sometime necessary with 9mm. From my active duty experience, adrenalin and training take over when in conflict.
Hereno's opinion will always be the exact opposite of the majority, because he's a rebel.
My nation had 6 planes and my opponent 11,000 troops. My fine aircraft were able to kill 42 troops on average if I instructed them to attack my enemies troops. I hope this has helped you gentlemen. Good day!