Knife with a plan beats handgun and audacity

This security camera footage from El Nuevo Diario, Santa Domingo, Dominican Republic manages to catch a robbery thwarted by the intended victim. As is often the MO in countries where they're popular, a driver on a bike pulls up on a man whom they perceive to be an unsuspecting mark, and the rider in back hops off, using his handgun to intimidate the victim. However, this scenario goes off-script almost immediately. Unfortunately for the would-be robber, one of the items his victim happens to have on his person is a knife, which he introduces to the left side of the criminal's neck with little apprehension. He, in turn, seems fairly confused by the upset; he dithers and retrieves his shoe rather than fleeing immediately. Little is known about the circumstances surrounding this interaction, although social media RumInt suggests the defender with the knife is an off-duty security guard. A photo, purported to be the robber-turned-patient at the hospital, is attached at the end of the video. In the face of power to the point of complacency, speed, surprise and violence of action carry the day.