Episode #1.1 - S1-E1
Factual error: The Chief Constable authorises Max's attachment to the New South Wales Police. Max is a Metropolitan Police officer. The Met is headed by a commissioner, not a Chief Constable.
Episode #1.1 - S1-E1
Character mistake: Abigail says that Max is very unusual as a university graduate who has joined the police, and it can't possibly have been his first choice of career. In fact, well over one-third of British police recruits have been graduates since long before Max would have joined.