overt operation
intel
clandestine operation
Deep Throat
asset
green door
company
acuity
acuteness
sharpness
keenness
cerebricity
intelligence asset
enough sense to pound sand into a rathole
signals intelligence
passive source
SIGINT
United States intelligence agency
hyperintelligence
brain cell
mental dexterity
nimbleness
smarts
secret agent
nous
wit
brightness
security intelligence
Binet-Simon Scale
current intelligence
genia
undercover work
spymaster
spying
counterintelligence
sophomania
U.S. Army Criminal Investigation Laboratory
synthesis
mental quickness
US Army Criminal Investigation Laboratory
not the sharpest tool in the shed
United States Army Criminal Investigation Laboratory
USACIL
not the sharpest knife in the drawer
underlife
not the sharpest tool in the box
quick-wittedness
agent-in-place
quickness
A'man