How do you prevent a massacre?
Officials said it is unlikely that Williams will be charged with a crime for attacking the teens because the shooting seemed justifiable.
FWIW. By my count, grandpa was 2 seconds out of the holster with his first shot into the badguy. It is possible the robber flinched from the sound but I'll assume it was a hit. Total time for the old man to recognize and end the threat (by chasing all hostiles out of the cafe) 26 seconds.
In other heart warming news: Video interviews of other old folks kicking bad guy butt.