Answer:

NARC

Answer	Crossword Clue
NARC	Certain agent
NARC	Govt. agent
NARC	Pusher's nemesis

NARC	Undercover detective
NARC	"Traffic" cop
NARC	DEA agent
NARC	G-man
NARC	One of two spellings of a DEA agent
NARC	Hash tagger?
NARC	Old video game in which the protagonists kill dope pushers (and users!)
NARC	Pusher's pursuer

NARC	Bust maker
NARC	Stash seeker
NARC	Certain fed
NARC	Drug agent
NARC	Buster?
NARC	Drug cop
NARC	Drug enforcer
NARC	Buster of dealers

NARC	Buster of a pusher
NARC	Druggie buster
NARC	Man of substances?
NARC	DEA employee
NARC	DEA type
NARC	Dealer's foe
NARC	One who isn't user-friendly?
NARC	Agent planning a bust

NARC	Fed after a dealer
NARC	Stash finder
NARC	One may be wired
NARC	Pusher chaser
NARC	Buster
NARC	Catcher of pushers
NARC	DEA enforcer
NARC	One working on a bust

NARC	User's pursuer
NARC	Dealer's bane
NARC	One pulling in a pusher
NARC	Stinger?
NARC	Traffic cop?