Audio problem: A soda can that is supposed to be full hits the man. When the can hits the ground you can hear that it's empty.
Audio problem: In the end when Brad is taking the dead woman's ring, the Happy Toyz truck is sitting there silently. If you look closely, you can see a gentle stream of exhaust from the pipes, meaning that the truck is idling. Yet a moment later you hear it starting up.
Chosen answer: He does bear a striking resemblance to Stephen King. King was both the writer and director of this movie, and as such, was certainly the guy in charge of all the character's fates and pulling all the strings.
Twotall