antique
attention
background
banner
beat
blue
bobby
border
box
british
burglar
call
city
crime
crook
dummy
emergency
enforcement
english
felony
frame
investigate
investigation
law
london
man
metropolitan
offense
officer
old
painted
police
protect
respect
robber
sign
signage
symbol
telephone
terrorism
terrorist
texture
thief
transport
vigilance
white