英文關鍵字
agent
analyst
analyzing
bullet
case
checking
coffee
confident
cop
course
crime
criminalist
criminologist
criminology
cup
dabs
detective
discovering
document
enforcement
evidence
examination
examining
expert
expertise
fingerprints
gloves
identification
information
investigating
investigation
law
male
man
method
occupation
officer
onduty
order
paperwork
police
policeman
precise
profession
professional
report
scene
security
violence
working