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Errors in geography
In an early scene, Nathan and Karen are studying after school. She leaves to catch her uncle's phone call at home (just across the street). Before she leaves they decide to meet at her place in an hour. At the time she leaves daylight can be seen outside. When they reconvene it is dark outside. Knowing that it never stays light out in Pennsylvania past 9:00pm during the year, we can assume it is no later than 10:00pm. In the same scene, there is a cut to a guy in New York who sees Nathan on webcam and calls his boss in London. However, when the film cuts to London it is daytime. London is no more than 6 hours ahead of Pennsylvania. Technically, it should have been around 3am.
When Nathan confronts his mother with his findings of his childhood photos, daylight can be seen outside his bedroom window. When his mother goes downstairs crying it is pitch-black outside. When Nathan is chased and jumps out of his bedroom window it is also dark.
When Karen is walking back from the buffet car with the food and drink she's grabbed by one of Kozlow's henchman, and drops all the items onto the floor. Yet when Nathan walks along the same aisle a short period after, there is no sign of the spilled items.
Nathan and Karen are told to go to 3411 Clarendon Boulevard Apt#2, but actually end up going to Clarendon Avenue Apt 202 (the street and apt # are both wrong, but actually turns out to be the right place).
When Martin calls Burton on the phone, Burton has a Bluetooth earpiece in his right ear, yet he answers his phone by holding it up to his left ear.
Some 54 minutes into the movie, when Nathan and the girl arrive at the "waiting location", Nathan picks up stuff from the desk. He places a gun beside rolls of euros and dollars on the desk, with his right hand and the barrel facing him; however, in the next shot, you can see a totally different position of these objects - the gun is on the other side of the table, the roll of euros is not laid down, the album disappears, the black object and the USB stick are in different places and a red die appears.
Protective headgear is required to be worn in high school wrestling in Pennsylvania (and in most of the United States), yet none of the wrestlers wear any. (Further, there are usually rules for wearing singlets in competition rather than t-shirts with sleeves ripped off and baggy running shorts, as loose clothing can ensnare and twist fingers.)
Nathan's birth certificate reads "State of Pennsylvania" which is incorrect. Pennsylvania is a commonwealth.
When the CIA agent presents the Kozlow case, on the right side of the LCD you can see "known associates". The man in focus seems to have the newest Croatian biometric passport. However, the picture on it would not have been accepted as a passport photo due to the dark background. Also, the picture, obviously taken from the "passport" is not edited. In Croatian passports, photos are "digitally enhanced" to emphasize ears, nose, eyes, all facial hair and the chin. As a consequence, the photos in Croatian passports look more like drawings than real photographs.
As Nathan is running away from Nikola at PNC Park, Agent Burns states that he is above the visitors box. However, the characters were sitting on the third base line, the Pirates (home team) side.
High school wrestling seasons run regularly from the start of December through February (with State competition running through to mid-March). Professional baseball seasons runs from April through October. At no point do these seasons overlap, yet Nathan is wrestling during the regular wrestling season then going to a professional baseball game a few days later.
As Nathan is on the ground after his father kicks him in the chest, a protective chest guard can be seen underneath his t-shirt.
In an early scene, Nathan and Karen are studying after school. She leaves to catch her uncle's phone call at home (just across the street). Before she leaves they decide to meet at her place in an hour. At the time she leaves daylight can be seen outside. When they reconvene it is dark outside. Knowing that it never stays light out in Pennsylvania past 9:00pm during the year, we can assume it is no later than 10:00pm. In the same scene, there is a cut to a guy in New York who sees Nathan on webcam and calls his boss in London. However, when the film cuts to London it is daytime. London is no more than 6 hours ahead of Pennsylvania. Technically, it should have been around 3am.
Nathan tells the 911 operator that he is at Vassar Brothers Hospital. VBH is in Poughkeepsie, New York, not Pittsburgh.
In the hospital, Nathan doesn't tell Karen who Dr. Bennett is, yet, after a contiguous action sequence, the next morning in the woods, Karen knows that Dr. Bennett is his therapist.
Kozlow's tattoo reads "See you in obituary" in the Serbian Cyrillic alphabet. However, the word "obituary" begins with the Latin alphabet equivalent.
The Cyrillic title "Vidimo se u citulji" tattooed across Nikola Kozlow's chest has one letter written in wrong (latinic) alphabet. It's letter c.
Nathan never wears a helmet while riding his motorcycle, even though Pennsylvania Law requires that any person who operates or rides a motorcycle must wear protective headgear unless he or she is 21 years of age or older.
Protective headgear is required to be worn in high school wrestling in Pennsylvania (and most of the United States), yet none of the wrestlers are wearing any.
When Nathan is chatting with "Marisa" on the website for missing children, he types "dissapeared" instead of "disappeared."