In front of the garage, after shooting a van driver point blank in the head with a Glock 17, Deveraux continues to use his Zastava CZ99 in the following gunfight.
Devereaux's fingernails are badly chewed, but the fingers that scroll through the phone left by Natalia after she was killed are well-manicured.
When Mason storms the building to rescue Lucy towards the end of the movie, he smacks one guard with his pistol, then runs up the staircase. He shoots the guard with the shotgun and tucks the pistol in the back of his trousers. In the next scene, he picks up the fallen shotgun, but the pistol is in his hand again and being retucked in his trousers once more.
During the motorcycle chase, the overlaid sound of the engines changes from twin cylinder to four cylinder engines and back again.
When Federov has his soldiers execute Mina's family and then holds a gun to her head, his pistol changes from an unidentified SIG possible a P226 or P229 to a Walther p99, then back again.
When the lead pulls the fuel line, gas begins flowing. On a fuel-injected vehicle that much fuel would not run unless the electric fuel pump is operating. (The electrical system must be on.)
The lead describes a bullet as traveling 4000 feet per second. Fast 7.62 x 51 rounds travel at less than 3000 fps. Some long-range hunting and target rounds can move at 4000, but would not be the choice for an assassin.
A clean cut to the throat by a professional killer would kill anyone instantly, especially a "minor character".
Devereaux removes the keys from the ignition on the SUV he stole: there is no way it was his or Alice's car.
[@28:30] As Deveraux is viewing the driver's license of Alice Fournier on the screen, a field numbered '6' is seen. In the European standard for driver's licenses, there is no text field numbered '6'. Number '6' is reserved for the photo.
When Fedorov is being filmed on a mobile phone by Alice Fournier, Alice's face is seen in a couple of shots as she uses the phone's front-facing camera instead of the rear camera.
This is incorrect: Alice's face is seen reflected on the phone's screen. Those models did not have facing cameras anyways.
This is incorrect: Alice's face is seen reflected on the phone's screen. Those models did not have facing cameras anyways.
Mason tells his superiors "It's Devereaux" when escaping the van in Moscow but he does not have a mike on.
When Hanley shoots his computers, the sound is that of a silenced firearm, but his gun does not have a silencer on it.
When Arkady Fedorov leaves the stand at the Russian Duma, the Serbian Coat of Arms can be seen behind him.
The scenes that happen in Moscow with the van chase were filmed in Belgrade, Serbia, which can be seen from the street signs and cars. Some signs were changed to Russian (e.g., Parking Entrance), but lots of smaller signs give it away.
When Peter saves Alice in a restaurant in Skadarska Street, the chase continues in nearby Bajloni Market. Peter and Alice then enter an underground passage and exit in Cumic Alley (shown in the movie as graffiti Choomich District). The passage and the shopping alley are about 600m from the market in the opposite direction from Skadarska Street.
The young agent is able to determine that his former mentor has a child with a search through the CIA database while no one else in this large intelligence gathering organization was able to do so.
When Deveraux gets the Samsung phone with the photos from Natalia, he removes the back of the phone and takes the Micro-SD memory card out, before tossing the phone out of the car window.
He had no way to know if the phone was storing photos on the memory card or the phone's internal storage. Android users are given the option to choose when the SD card is first inserted.
He just as easily could have been throwing away the photos he was trying to save.
There is no password on Natalia's phone.
Natalia is pressed for time, she could have taken one picture of all the photographs at once instead of going for a close up of each.
Mason goes into a gun battle with two rounds in his Beretta; the slide locked back indicating an empty gun shortly after shooting at Peter. No CIA operative would go into a deadly force situation without a full load.
A professional would never put a gut with its silencer screwed on in a luggage but secure the two parts apart.
Arkady Federov, a Russian general, is seen using German/Swiss Sig Sauer pistol during Second Chechen War, when in 1999 standard Russian military issue hand gun would most likely have been Makarov.