Revealing mistake: When the murderer's mother is shot, the outline of the bloodpack under her clothes is visible. (00:55:05)
Revealing mistake: The outline of the blood pack is visible under John's shirt when Stillson's body guard shoots him. (01:37:35)
Revealing mistake: The stunt dummy that falls from the balcony in John's stead is pretty obvious. Its blank face is even visible briefly as it falls, and again when it lands. (01:37:40)
