Judging from the exterior shots, the airplane changes from a 747 to a 727, then to a L-1011 Tristar, then to a modern twin-engine wide-body.
When Louis Garber is revealing to Rachel Penbroke that he is trying to kill her because she was responsible for the death of his mother, they are alone. John Doe walks in shortly thereafter and tells Garber that killing Rachel will not bring back his mother. He could not have known anything about Garber's motives since he hadn't even walked in yet.
John says that fireflies glow due to electroluminescence, but it is actually caused by bioluminescence.
John makes luminol. This requires hydrogen peroxide, potassium hexacyanoferrate (III) and sodium hydroxide, but John says it requires potassium hexoferrate.
In addition, he doesn't add any sodium hydroxide.
In addition, he doesn't add any sodium hydroxide.