It supports the theme because after Charlie killed Pete Van Horn they started to try and kill him so he decided to blame Tommy for being the mysterious figure.
Blaming Others and Trying to Find a Scapegoat Can Lead to Violence
It supports the theme because as soon as Charlie saw what he thought was the mysterious figure he shot the figure in the distance and soon looked to notice it was actually just Pete Van Horn looking at the stars like every other night.
It supports the theme because when Les Goodman tried to turn on his car it didn't work and the mysterious figure started messing with them and that is when the car turned on all of a sudden and everyone started to blame Les Goodman sense he was the only one with lights on.
It was the kid...It was Tommy.
He is just a kid how could it be.
Hey look it turned on and nobody else's lights are on. He must be the mysterious figure.