Answer: GMAN

AnswerCrossword Clue
GMANFBI figure
GMANJustice Dept. employee
GMANDillinger's nemesis
GMANF.B.I. agent
GMANF.B.I. agt.
GMANJ.E.H. agent
GMANRole for Zimbalist Jr.
GMANDillinger catcher
GMANHoover employee?
GMANRole for E. Zimbalist Jr.
GMANDillinger fighter
GMANCrime buster
GMAN"The X-Files" extra
GMANGangster chaser
GMANPulp novel hero
GMANCrimebuster, informally
GMANGangster follower
GMANF.B.I. operative
GMANF.B.I. guy
GMANUndercover type
GMANF.B.I. investigator, slangily
GMANHood catcher
GMANOld pulp fiction hero
GMANSting figure
GMANGangbuster
GMANAgent under Hoover, informally
GMANGangster catcher, informally
GMANHoover employee, once
GMANHoover was one
GMANATF agent, e.g.
GMANDonnie Brasco, for one
GMANHoover subordinate, once
GMANBureau employee
GMANFBI employee, slangily
GMANBureau-crat?
GMANGangster tracker
GMANBureau agent
GMANBureau member
GMANDillinger foe
GMANHood hunter