Revealing mistake: When Mr Goodall is attacking the bloke near the start, he is supposed to be hitting the other man really hard, but doesn't come close to hitting him.
Revealing mistake: When the charity workers are unloading the food in Styrofoam packages at LAMP, the light shining through the packages reveals that they are empty.
Revealing mistake: The pic of Shawn's father and Evan on the PC seems very fake.