英文關鍵字
analysis
ballistic
ballistics
chemical
collect
crime
criminal
criminalist
criminalistics
criminologist
criminology
danger
detective
developing
discover
discovery
evidence
examining
experiment
expert
expertise
forensic
gloves
gun
hand
identification
inspect
inspection
inspector
investigate
investigation
job
male
man
murder
police
policeman
profession
research
scene
science
scientific
scientist
secret
suspect
uniform
weapon
work
worker
working