Somebody reports “man on rooftop with gun” and you have panic city.
They don't know it's just a BB gun until they catch them.
Then it's a big joke that it's just a BB gun.
Idiot leftist believe that since it's just a BB gun nothing much will happen to them when they are caught.
There are materials you can mix, leave, and 45 minutes to an hour later they'll start a fire.
Henry's Chemistry has a lot of them ~ and the internet is a treasuretrove of such information. Kids and professional thieves get arrested for carrying around the ingredients all the time.