Defensive Tactics, from Jim Wagner's Reality-Based Personal Protection DVD series, is based on easy-to-learn modern military and police techniques and training methods. This step-by-step program demonstrates threat zones, conflict stances, movements and arm strikes using the Jim Wagner piston concept. Other topics include stopping power, arm blocks using the angle principle, effective leg strikes and counters, and ways to properly execute the head butt. Legal issues dealing with the use of force are also discussed. As a well-known defensive-tactics instructor, Sgt. Jim Wagner draws on more than three decades of experience in martial arts, police, military and special operations. For many years, Jim Wagner wrote Black Belt’s High Risk column. His methods are used by many elite forces, including the Israeli Special Forces, FBI SWAT and Germany's GSG9 unit. Wagner is the creator of two Reality-Based Personal Protection DVD series, a multi-topic DVD series on survival tactics, and the author of two books: Reality-Based Personal Protection and Defensive Tactics for Special Operations, with the third (Protecting Others) in production for 2011 release. Jim Wagner remains in demand around the world, where he preaches the gospel of reality-based fighting, a genre he single-handedly defined.