The 9MM Cartridge; American 9MM Ammunition; Capabilities of American 9MM Ammunition; Terminal Bullet Performance on Dummy; Current American 9MM Ammunition for Law Enforcement and its Terminal Bullet Performance on Dummy; Current 9MM Pistol Safety Mechanisms on Law Enforcement Pistols; A Basic Familiarization Course of Fire for Converting Personnel from Revolvers to 9MM Pistols; Firing the Basic Course of Fire to Familiarize Personnel With Each of the Four Basic Types of Pistol Safety Mechanisms; Suggested Advanced Courses of Fire; A New Concept of Applying the 9MM Cartridge to the Requirements of a Department; The Future of the 9MM Cartridge and its Pistols for Law Enforcement.