Major Johnny Westmoreland
Major Johnny Westmoreland began his law enforcement career in 2000 with the Woodruff Police Department, serving as a Patrolman. In 2002, he joined the Greenville County Sheriff’s Office, where he was assigned to the Uniform Patrol Division on Echo Platoon.
In 2004, Major Westmoreland was selected to join the Greenville County SWAT Team, serving as a sniper until 2014. He was promoted to Master Deputy in 2006 and assigned to the Directed Patrol Unit, demonstrating a strong commitment to proactive law enforcement strategies. In 2010, he was promoted to Sergeant and returned to the Uniform Patrol Division, on Bravo Platoon. A year later, he transferred back to the Directed Patrol Unit in a supervisory role. His leadership and operational effectiveness earned him a promotion to Lieutenant in 2014, where he was assigned to the Office of Professional Standards in Administration. In 2016, he transitioned to the Vice and Narcotics Unit as a Lieutenant. In 2019, with the formation of the Greenville County Multijurisdictional Drug Enforcement Unit (GCMDEU), he was named Assistant Commander. A year later, in 2020, he was promoted to Captain of the Selective Enforcement Division and assumed the role of Commander of the GCMDEU.
In 2025, Major Westmoreland was promoted to his current rank of Major. He now oversees both the Uniform Patrol Division and the Community Services Division, continuing to serve Greenville County with dedication, leadership, and integrity.
Major Mike Moore
Major Michael D. Moore started his law enforcement career in 1991 at Anderson City PD as a patrolman. In 1993 he moved to the Anderson County Sheriff’s Office and served as Deputy, Corporal, and Sergeant. In 1997 he came to work for the Sheriff in Greenville County. At GCSO he served as a Deputy, Master Deputy, Sergeant and Lieutenant in Uniform Patrol, Directed Patrol and Traffic. In 2020, he was promoted to the rank of Major. Major Moore currently oversees the Judicial Services Division, Center for Advanced Training, Criminal Investigations Division, and the Selective Enforcement Division.
Major Ty Miller
Major Ty Miller began serving Greenville County as a law enforcement officer in 1999. Beginning her career in the Uniform Patrol Division of the Greenville County Sheriff’s Office, Major Miller immediately focused on the area of crimes against children. Since then, Major Miller has dedicated most of her career to protecting and serving the most innocent citizens of the Greenville community in her roles as an investigator of child sexual assaults and as a board member for the Julie Valentine Center in Greenville.
In 2012, Ty Miller was promoted to the rank of Sergeant and initiated collaboration with the Greenville County School District to develop and implement the “Zone Patrol Program,” to protect our elementary school children in the wake of the Sandy Hook school shooting. The following year, she was promoted to Lieutenant of the Public Information Office at the GCSO. In 2017, she returned to restructure the Specialized Investigations Division and served until her promotion to Major over the Administration.
Major Miller currently oversees the following divisions: Administrative Services Division, Communications, Wellness Services Division, Specialized Investigations Division and School Enforcement Divisions.