妖しい
怪しい
background
black
browsing
cartoon
character
checking
clip art
clipart
crime
design
detective
disclose
element
evidence
examination
eye
footprint
footstep
glass
illustration
inspector
investigation
investigator
isolated
looking
magnifier
magnifying
mystery
officer
overcoat
pack
pipe
police
private
private eye
problem
professional
research
reveal
search
searching
set
sherlock holmes
silhouette
sleuth
surveillance
white