An easy way to understand the climb up the ranks (which for so long proved elusive ... Drawing from a long out of print book on the Oxford City Police, Lewis found inspiration.

There are only 13 black or minority ethnic police officers above the rank of PC in the whole of Wales. Just 1.6% of police officers are BME in Wales, compared to 4.5% of the population.

She said Nottinghamshire Police "closed ranks" to unfairly protect him. The officer has always denied all the allegations, and an internal misconduct hearing found he had no case to answer.