* Former Yonkers, NY Detective. * Forensic crime scene reconstruction expert interpreting blood spatter patterns of horrific homicides; analyzing dynamics of how people fought and died. * Police veteran of over 100 documented brutal arrests of extremely violent criminals, where people ended up in the hospital or morgue. * Engaged in unlicensed Pit-fighting on the docks of Newark and New Orleans pre-UFC (no rules except for don't kill the other guy). * One of the top Close Contact and Point Shooting instructors in the U.S. * Student of Thomas Loughnan "The fastest man in the world" with a CoIt 45 1911 semi-automatic. * Holds the rank of Grand Master in Combat Martial Arts under the International Combat Martial Arts Federation along with John McSweeny, Jeff Jarrett, Master Visitacion, and Col. Rex Applegate. * Bodyguard to Billionaire publisher Malcolm Forbes, Israeli Defense minister Moshe Dayan, EST founder Werner Erhard; trained bodyguards to Pope John Paul II. * Trained by his father from the age of 5 in World War II Close Quarters Combat and Native American Catch Wrestling; Combat Hapkido by Master Ik Jo Kang (instructor for the Korean ROK Army during the Vietnam War); Elephtheri Pali (Greek: "Ruthless Combat") by George Kaperonis and by Temple Trained Chicago Tai Chi Master Waysun Liao. * In 1978, Perkins created GUIDED CHAOS, a completely original system of self-defense that ADAPTS to violent attacks. * Author of best-selling self-defense books, used as training manuals for members of the U.S. Marines, U.S. Army, Royal Canadian Mounted Police, NYPD, the Guardian Angels Capetown South Africa chapter ("The most violent city in the world") and select Reality-based and kung fu schools around the globe.