Corrected entry: After John makes the decision to leave their son behind (with his parents) in order to make their escape, Lara attempts to kill herself by jumping out of the SUV. It is nearly impossible to open a vehicle door while the vehicle is moving faster than say 20-30 mph because of the wind resistance. They are cruising at highway speed, yet she simply flings the door open with ease.
Correction: At 20 to 30 mph, I can open my car door easily. At highway speed it is more difficult, but it can be done, especially if you get a burst of adrenalin.
Corrected entry: In the scene where John and Lara and their son are at the airport and seem to be headed for some destination (ergo leaving the United States), they are going through what seems to be U.S. immigration. Correct me if I'm wrong, but doesn't U.S. immigration come into the picture when you are entering the country? The people that would be looking at passports upon exit are airline people.
Correction: Have you ever traveled anywhere overseas? Passports are checked on the way out and on the way in for every country. Well the ones I have been to and I have been to well over a dozen. Most of these even made me fill out an exit card. Immigration would be responsible for that.
Corrected entry: When John starts following the medical van for the first time, you see the van from the front as it turns onto the road where John awaits it in his car. The van's number plate is missing.
Correction: Aside from the fact a license plate can fall off or be stolen any time, Pennsylvania doesn't issue or require front license plates since 1999.
Corrected entry: Near the beginning of the movie, Lara uses a very large syringe to inject a huge (and likely harmful) dose of insulin. Insulin is used in very small doses typically from a small syringe, so if using a large syringe, the plunger would barely be pulled back.
Correction: The type of insulin syringe Lara used is called an "insulin pen". These are very common among insulin dependent diabetics. Also, if she was a very brittle diabetic, she could require a larger dose of fast acting insulin or she could have been taking a long-acting insulin, which is typically a large dose.