The Major County Sheriffs of America (MCSA) is a professional law enforcement association of elected sheriffs representing counties or parishes with 500,000 population or more. We are dedicated to preserving the highest integrity in law enforcement and the elected Office of the Sheriff. Our membership represents over 100 million Americans.

MCSA works to promote a greater understanding of law enforcement strategies to address futures problems and identify law enforcement challenges facing the members of our organization. We are committed to advancing legislative issues that will enhance the safety of our communities.

MCSA also aggressively pursues the development of innovative education along with prevention and enforcement strategies and programs.

We believe that law enforcement and criminal justice organizations benefit greatly by having a forum in which to share ideas, concepts and resources. The MCSA facilitates that process by serving as a law enforcement information gathering resource.

The MCSA is available to provide technical assistance in conjunction with the National Sheriffs' Association, the Major Cities Chiefs, the Federal Bureau of Investigation Training Division, the National Executive Institute and other private or public research entities.

We cordially invite you to contact any MCSA officer for additional information.


Sheriff Joseph Lombardo was sworn in as the 17th Sheriff of Clark County, NV on January 5, 2015. He was selected as a Shining Star long before the mass shooting on October 1st would thrust him into an unwanted spotlight. Sheriff Lombardo has led his men and women with poise and professionalism showing the world how an American Sheriff and properly trained personnel on all levels can respond to the worst day one can imagine to save so many more lives.

Major County
Sheriffs Of America
1450 Duke Street
Alexandria, VA



On behalf of the MCSA, Sheriff McDonnell testified before the House Judiciary Subcommittee on Crime, Terrorism, Homeland Security, and Investigations on “Challenges Facing Law Enforcement in the 21st Century.”


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