Police, informally (3,4)
I believe the answer is:
old bill
(Other definitions for old bill that I've seen before include "Met, perhaps" , "Cops" , "pound note?" , "Coppers" , "Police (slang)" .)
I believe the answer is:
old bill
(Other definitions for old bill that I've seen before include "Met, perhaps" , "Cops" , "pound note?" , "Coppers" , "Police (slang)" .)