ONE: He's un armed, why would you shoot him?
TWO: Gas stations don't carry enough money to justify taking someone's life. I'd let the guy rob the place, eyeball the situation and make yourself a good witness.
Three: You don't know what's going on across the street, it could be a cloths cop. Charging across the street is could really turn things to crap in a hurry.
Leave the gun in your pocket and dig out your cell phone.
In all cases it didn't seem like anyone's life was threatened, robbed, but that's it.
My question is, you live in NY. I thought it was very difficult to get a CC permit in NY>
CPT USAR Ret
USAMU Sniper School Oct '78
Distinguished Rifle Badge 1071