Caleb got mugged.
Threatening a competitive shooter with a knife is almost certainly a bad idea.
Fortunately, it ended with no shots being fired, Caleb being unstabbinated, and the bad guy suffering from HotCoffeeToTheFace Syndrome.
It also goes to show you that a Beretta Jetfire in .25 ACP is a “gun that you carry when you can’t carry a gun” — Caleb wears business casual to work, so concealing a full-size pistol is a bit difficult. Nevertheless, his Jetfire saved the day.