agent

audio

blinds

cia

coil

cold

collecting

compromising

control

conversation

dark

device

directed

directional

eavesdropping

employee

espionage

fbi

focus

focusconcept

guy

headphones

hidden

information

intelligence

investigator

kgb

listen

man

microphone

mysterious

officer

old

overhears

playback

police

private

recorder

recording

records

retro

secret

selective

service

services

sound

special

spy

surveillance

underlined

ussr

window

wiretap

work