Factual error: The episode states that there is border control between Germany and Czechia. There is no border control within the Schengen area of the EU (which includes Germany and Czechia). You can cross borders by car or fly in a plane without showing your ID.
Continuity mistake: When Zappata is cleaning after the murder on Kira, she hears something. When she draws her gun she is wearing gloves. The second after, gloves are gone. (00:30:30 - 00:31:00)
Continuity mistake: When the FBI is head to Iceland on the jet you see a rear view of the jet and it has four engines. When the team jumps out of the jet later you see a shot from underneath and it only has two engines. (00:13:15 - 00:25:25)