This document provides information on gunshot wounds and firearm identification. It discusses different types of gunshot wounds like souvenir bullets, bullet migration, and tandem bullets. It also describes how to document a gunshot wound and the information needed in court. Further, it discusses analyzing gunshot residue on skin and clothing. Finally, it outlines how to identify a firearm through factors like caliber, fingerprints, barrel fouling, serial number, and ballistics examination of marks left on bullets and cartridge cases.