Factual error: Detective Superintendent Hamilton has red fabric within the crowns on her rank insignia. This would be correct for most British police forces, but the Metropolitan Police uses blue fabric instead.
Factual error: The German series is set in 1987 in Berlin before the wall came down. It shows a suitcase going through airport security that wasn't set up until after 2001.
Factual error: When Reacher talks on the phone with Secret Service agent Molly Beth Gordon, she is using a Huawei phone, which has been banned from all agencies since 2019.