Answer:

GMEN

Answer	Crossword Clue
GMEN	FBI agents
GMEN	Federal agents
GMEN	Treasury agts., e.g.

GMEN	Prohibition-era slang for the FBI
GMEN	Feds
GMEN	Collarers of hoods
GMEN	Dillinger's foes
GMEN	Capone's foes
GMEN	Thug busters
GMEN	Fed people?
GMEN	Cagney crime film

GMEN	Certain agts.
GMEN	Fed. agents
GMEN	FBI guys
GMEN	Fed personnel
GMEN	Some agts.
GMEN	FBI's guys
GMEN	"The X-Files" extras
GMEN	Fed. investigators

GMEN	Racketeer busters
GMEN	Gangster film extras
GMEN	Original name of the radio show "Gang Busters"
GMEN	New York NFL team, familiarly
GMEN	FBI workers, slangily
GMEN	FBI figures
GMEN	Some FBI employees
GMEN	Some feds

GMEN	The Bureau's agents
GMEN	New York footballers, to fans
GMEN	FBI guys, e.g.
GMEN	Fibbies
GMEN	Dillinger's nemeses
GMEN	Ness' gp
GMEN	Govt. agents
GMEN	FBI employees

GMEN	FBI operatives
GMEN	Cagney film of '35
GMEN	X-file examiners
GMEN	1935 James Cagney movie
GMEN	F.B.I. agents.