When I was younger my GF at the time was working at a grocery store. They'd had a lot of problems with crime there, so I gave her some pepper spray, and told her if she had to use it, to use it all.
Some employees caught a shoplifter, and took him into the office. He grabbed her by the hair, dragged her out of the store with him, and was telling the other employees that he had a gun and to get back in the store. She got the pepper spray out and lit him up.
When Adam12 rolled up, they found this 300 lbs dude rolling around in the slush in the parking lot, screaming for his mama and Jesus to save him. They got one wiff and knew what was up.
She said they had to go back to their car and hide their faces behind their visi-bar so nobody would see them laughing their asses off.
They found a little .25 auto in the dude's pocket. Luckily, nobody got hurt, except for the perp.