"106423994"^^ . . . "ballistic fingerprinting"@en-us . . "ballistic identification"@en-us . . "0"^^ . . . "bullet fingerprinting"@en-us . . "ballistic identification"^^ . "06423994-n"^^ . . . . . "106025247"@en-us . "identification of the gun that fired a bullet from an analysis of the unique marks that every gun makes on the bullet it fires and on the shell ejected from it"@en-us . "0"^^ .