ammunition
asphalt
ballistics
battle
black
bullet casing
bullets
caliber
capsule
cartridge
cartridge case
casing
crime
crime scene
crime scene investigators
criminal
csi
detective
documentation
evidence
felony
firearm
firefight
forensic
forensics
gun
gunfight
handgun
homicide
id tents
identification
investigate
investigation
marker
numbers
numeral
pistol
policy
proof
shooting
street
tents
trace
tracing
violence
violent crime
weapon
yellow