company
espiocrat
Stasi
spying
Deep Throat
penetrate
counterespionage
CHIS
earwig
dangle
HUMINT
spook
counterspying
detective
double agent
stooge
boots on the ground
informer
spy
outplacement
rat
undercover agent
betrayer
blabber
supergrass
US Army Criminal Investigation Laboratory
scrutator
alphabet
beagle
U.S. Army Criminal Investigation Laboratory
bespy
intelligence community
USACIL
United States Army Criminal Investigation Laboratory
sleeper agent
house detective
United States intelligence agency
house dick
intelligence agent
secret agent
hotel detective
intelligence officer