agent
anonymous
avatar
character
coat
crime
criminal
detective
face
figure
flat
gangster
glasses
hacker
hat
human
icon
identity
illustration
incognito
inspector
investigation
invisible
looking
lurcher
mafia
man
mystery
person
police
private
protection
safety
searching
secrecy
secret
security
sign
silhouette
spier
spy
spying
suit
surveillance
tie
unknown