Revealing mistake: When the (imposter) female security guard was lying on the floor with her head slightly raised and shot herself, the gun was about parallel to the floor; the blood splatter should not end up primarily mid-way up the wall like it did. The floor-level view of the dead guard shows a reduced-size wall so that the blood splatter looks much closer to the floor than it was. Also, at least some blood should be visible on the guard's temple but none was. (00:35:40)
Revealing mistake: When the (imposter) security guard threw the barbell and smashed the mirror, the mirror appeared to shatter just before impact. (00:28:05)
Revealing mistake: After the kids take their seats at the game, the people behind them change, indicating the use of a green screen. (00:13:00)
