Saw that before ... it’s a quandary isn’t it? So what do cops do? In the dark they see a red tip and think it’s a fake gun and they get shot, or, they shoot anyway and find out it’s some kid ... can’t win for loosing ....
Actually they aren’t likely to see red in the dark. The human eye doesn’t detect red very well in low light. Perhaps you should ask yourself what you would do if someone suddenly pointed a gun at you. You can always take the “wait and see” approach I guess. Cops are responsible for more than their own lives so they might not want to do that.