Jim Grover (martial arts)
J. Kelly McCann (pseudonym: Jim Grover) is a former US Marine officer and the founder and owner of Crucible Security Specialists located in Fredricksburg, Virginia. Crucible is a GSA approved facility which provides high-risk environment training and security services to the US Government and armed forces. McCann is a writer and has appeared as a commentator on US Cable News Channels such as Fox and CNN.
McCann's techniques are drawn from his own experience in the Marine Corps as well as Rex Applegate. McCann holds a Master Instructor rating in combative skills and is a subject-matter expert in close combat for the U.S. Marine Corps; close quarters battle for the Office of Naval Research; protective services for the United States Department of State; apprehension avoidance for the Joint Personal Recovery Agency, and high-risk environment tactics, techniques and procedures for the Department of Defense. He assisted local, state and federal law enforcement agencies in developing raid techniques for use against domestic hate groups prevalent in the Midwest from 1984 to 1986 while assigned to Omaha, Nebraska. His contributions earned him police commendations and he was inducted into the Governor's Great Navy of the State of Nebraska for service and assistance to law enforcement by Senator Bob Kerrey.
McCann was prominently featured in an article for Esquire magazine written by Tucker Carlson, whom he escorted through Iraq after the 2003 invasion. McCann was featured on the cover of the June 2008 issue of Black Belt Magazine in a two part article continued in the July issue and was voted Black Belt Magazine's "Self-Defense Instructor of the Year" for 2008. In 2010 Black Belt Magazine began running a monthly column written by McCann titled, "Mil-Spec", which explores various aspects of Combatives detailing mind set, physical skills, personal security and awareness and avoidance skills.
McCann has made numerous appearances as a commentator on CNN, MSNBC, and Fox News. McCann has developed two knife designs, one with Blackhawk Masters of Defense known as the Crucible II. The other design was unveiled in January 2011, at the SHOT (Shooting, Hunting, Outdoor Trade) Show in Las Vegas, NV, in collaboration with Ernest Emerson, the model is known as the Canis.
- Collapsible Baton Tactics
- Combative Pistol
- Inside the Crucible Vol. 1-5
- Jim Grover's Defensive Shooting
- Jim Grover's Situational Self-Offense
- Kelly McCann's Tactical Carbine
- Living Safely in Dangerous Times
- Minimum Damage, Maximum Effect
 Books and Publications
- Combatives for Street Survival: Hard-Core Countermeasures for High-Risk Situations
- Street Smarts, Firearms, and Personal Security
- Articles Published in Guns & Ammo magazine from 1996–2000
- Lawrence, E. (2002). "Forged At The Crucible". Black Belt 40 (11): 70–75, 102.
- Scott, Christopher (September 19, 1986). "Hit Squad Displays Stunning Firepower". The Sun (Lowell) (Sun). p. 18.
- Chinn, Barry (September 19, 1986). "MDC Ready to Strike Against Terrorism". Boston Herald (Boston Herald).
- Carlson, Tucker (2004). "Hired Guns:The inside story of the private armies of Operation Iraqi Freedom". Esquire. Retrieved 2011-01-24.
- "Black Belt Hall of Fame Inductee Directory". Black Belt Magazine. Black Belt Magazine. 2009. Retrieved 2011-01-24.
- Spaulding, Dave (2009-01-01). "Seven Supreme Sequels". Tactical Knives 8 (1): 10–14.
- "Emerson Canis – PROTOTYPE". Gearscout. Military Times. 2011-01-26. Retrieved 2011-01-26.