Does some undercover work (5)
I believe the answer is:
spies
(Other definitions for spies that I've seen before include "Undercover agents" , "Snoops" , "Double agents" , "Secret agents" , "Eg, CIA" .)
I believe the answer is:
spies
(Other definitions for spies that I've seen before include "Undercover agents" , "Snoops" , "Double agents" , "Secret agents" , "Eg, CIA" .)