英文關鍵字
agent
agents
applicants
bald
blinds
camera
caucasian
caught
cia
collecting
collection
confidential
crime
criminal
danger
data
detective
dirt
document
documentation
documents
espionage
fbi
file
for
intelligence
investigation
investigator
male
man
microfilm
military
office
paper
photo
photograph
photographer
photographing
photographs
police
private
secret
security
small
special
spy
undercover
vehicle
waiting
work