One may seize kilos (4)

I believe the answer is:

narc

(Other definitions for narc that I've seen before include "Drugs agent (US)" , "One on drugs squad" , "Agent dealing with Charlie" , "Drugs officer" , "member of drug squad" .)

I've seen this clue in the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.