One thing we always did right after a mission or exercise was an After Action Review or "Hot Wash". This allowed us to point out strengths and weaknesses in training, SOPs, and equipment and it's a good habit to get into IMO regardless of what you call it.
Just because everyone survived with no injuries doesn't mean you can't do it better the next time the SHTF.
If I was that cop I'd be looking at the video and seeing if there were things I could improve in.
Oh and Shrapnel, I'm pretty sure Formidilosous has been shot at more than once unless I'm completely wrong about where he is.
