Factual error: The movie is supposed to take place in and around New York City, however during the car chase where Angelina and Brad are fighting off the three BMW's, a wide shot clearly shows a street sign announcing Los Angeles.
Factual error: In the scene that depicts the Smiths meeting each other, they are supposed to be in Bogota, Colombia. The tropical village they're in looks very little like Bogota, a gigantic metropolis with over 9 million inhabitants and very cold weather.
Factual error: When John and Jane are in the elevator at the end, they're both holding MP5A4 submachine guns. The charging handle on both of them are in the open and locked position, making firing of the weapon impossible.
Factual error: While John is crawling through the sewer pipes, Jane's monitor shows his GPS location as 47.28 N 12.46 W, 35 feet below sea level. This places him under the Atlantic Ocean, somewhat north of the tip of Spain - nowhere close to New York, or any other streets for that matter. (01:34:00)
Factual error: During the highway chase scene, the cars crash through the barriers on the highway, but they are filled with water. In areas like New York these are filled with sand, because the water would freeze in the winter.
Factual error: In the scene when Angelina Jolie and Brad Pitt are being chased by their headquarters on the freeway, Brad Pitt opens the trunk of the van they are driving in. In the type of van they were driving you can only open the trunk if it's in park and it wasn't their van, it belonged to their neighbours, so it wouldn't have any special treatment.
Factual error: When they race home Jane T-bones John and caves in the side of his car, but her car shows no damage. A modern Mercedes (2005) is designed to crumple in such an impact.
Answer: She notices that he shakes his right leg twice after peeing, just like her husband.