Bullet Analysis & Comparison
description
Transcript of Bullet Analysis & Comparison
Bullet Analysis & Bullet Analysis & ComparisonComparison
bsapp.combsapp.com
Bullets to GunsBullets to Guns►It is extremely difficult to convict It is extremely difficult to convict
some one of a murder without some one of a murder without possession of the murder possession of the murder weapon.weapon.
►In the case of a shooting, In the case of a shooting, matching a bullet with a gun is matching a bullet with a gun is essential in most cases. essential in most cases. bsapp.combsapp.com
Bullets Bullets become become scared scared
by rifling by rifling as they as they travel travel
down the down the barrel of barrel of
a guna gunbsapp.combsapp.com
StriationsStriations
bsapp.combsapp.com
bsapp.combsapp.com
bsapp.combsapp.com
bsapp.combsapp.com
bsapp.combsapp.com
Matching ProcedureMatching Procedure►Fire bullets from a suspected Fire bullets from a suspected
weaponweapon►With the aid of a comparison With the aid of a comparison
microscope, compare these “test microscope, compare these “test fires” to the suspected bulletsfires” to the suspected bullets
►Striations must be identical for a Striations must be identical for a positive match positive match
bsapp.combsapp.com
ComparisoComparisonn
MicroscopMicroscopee
Two Two scopes-scopes-
One FieldOne Field
bsapp.combsapp.com
bsapp.combsapp.com
bsapp.combsapp.com