Case approach, philosophy, and objectives -- Working shooting scenes -- The reconstructive aspects of class characteristics and a limited universe -- Is it a bullet hole? -- Some useful reagents and their application -- Distance and orientation derived from gunshot residue patterns -- Projectile penetration and perforation -- Projectiles and glass -- Projectile ricochet and deflection -- The principles of "trajectory" reconstruction -- Determining bullet track ("trajectory") in gunshot victims -- Trace evidence considerations associated with firearms -- True ballistics : long-range shootings and falling bullets -- Cartridge case ejection and ejection patterns -- The shooting of motor vehicles -- Shotgun shootings and evidence -- Sound levels of gunshots, supersonic bullets, and other impulse sounds -- Ultimate objectives, reports, and court presentations.