As the cops drag a corpse from the Ouse:
‘Look Sarge, it’s all covered in clues!’
‘Wrong. The arm says “Suzanne”,
But it’s clearly a man.’
‘Right! We can’t trust a bloke with tattoos.’

This little cameo might suggest that The Boys in Blue — for all their open-mindedness, emotional intelligence and forensic acumen — haven’t quite got their heads around Gender Fluidity yet.