Hired killer (8)
'hired killer' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for assassin that I've seen before include "Murderer, killer" , "I kill" , "Professional, often political, killer" , "Terrorist" , "Hitman" .)
(Other definitions for hitman that I've seen before include "Assassin" , "offer?" , "Hired gun" , "killer" .)
'hired killer' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for hit man that I've seen before include "In slang, a hired assassin" , "Hired murderer" , "Hired gun" , "Modern description of assassin" , "Hired killer" .)