Regular people don't knock on my door at close to midnight then hide in the dark and shine lights at it. I would be suspicious, too. I would want to know who is out there, but I wouldn't be able to have a conversation with police through the door if they won't get near the door. They would have to wait it out, because it's a bad idea to open the door.
Or step out the back door, lock it and walk around front. Of course, there's a risk there, too, but it's just a risk to you and not your family.
I don't think anyone else has mentioned this- what was going on at 5308, while all these officers are at 5305? Somebody could have been in a lot of trouble over there.
Anyway. People make mistakes. That's why pencils have erasers.