Finds a celeb

John had the gun with him, ready to fire at anyone, but he first decided to go to the mall and pick up some stuff. He secretly hoped he'd run into someone famous, which is exactly what happened.

He ended up seeing Scarlett Johansson, walking out of her car towards the mall

Naturally, he slowly followed her into the mall, ready to test the gun. He decided to set it to 'swap' mode and fired one shot at Scarlett. He knew now that whatever he fired it at next, Scarlett would then become, the question was, what would he swap her with