" She got me logged in, which was a suspicous amount of help and attention from a Detective Inspector, and explained the priority codes to me.
‘Officially, low means we want it within a week,‘ said Stephanopoulos. ‘Medium is five days and high priority is three.‘
‘And really?‘ I asked.
‘Today, now and ‘I want it bloody yesterday. "

― Ben Aaronovitch , Whispers Under Ground (Rivers of London, #3)