"A zapper and a real gun aren't the same," Arthur says dryly, but it is a good basis for the gun that he can use. Plus, he can use it to show Marco how to fire a gun.

He turns to get the gun he bought recently in prep for assassinating Liani.

"I won't get into the fancier options on the gun, but I'll show you how to aim, sight and fire, and how to put the safety on and off."