Kudos to you. The problem is once a perp is within striking distance, he could also potentially take your weapon. I've read the rule is roughly 20 feet of clearance, before the gun should be removed from the holster before someone with a close combat weapon like a knife can close the distance in a charge. Now you add in low-light conditions, and you can understand why officers can be a bit trigger happy. I don't really know what a good solution to this is.