Factual error: There is absolutely no way that the police officers sent to arrest Mickey and his team would be armed. In the UK, a police officer would only carry a gun if they had clear evidence that their target was armed, and even then, the Armed Response Squad would be called in. Mickey and his team are white collar criminals with no history of violence and have never been known to carry or use weapons. They'd be arrested by unarmed police, just like almost everyone else.
Factual error: During this episode, Detective Sergeant Terri Hodges wears two blouses: one red and one beige. They show too much cleavage for a female police officer. If she showed up for duty dressed like that, she'd be sent home to change or out to a shop to buy a less revealing top.
Continuity mistake: When Ash walks up to the machine we see that, after he puts his card in, the screen is black/off. When he hits the screen there is a split-second clip of the screen looking out at Ash with green text on it. In the next shot the screen is back to black.