Training Instructors

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Field Training Officers

Capt. Rachel Flowers

Capt. Rachel Flowers was born in Tucson, Arizona and was raised in Southern California, until her family moved to Lexington in 1989. She holds a BS in Business Administration from Southern Wesleyan University. After graduating with an Associate Degree from Anderson College, where she was a dual sport athlete (softball and volleyball), she began her law enforcement career in 1996 with the Cayce Department of Public Safety as a public safety officer (police/fire). In 1998, she joined the Lexington Police Department where she worked as a shift Sergeant, Bike Patrol Unit supervisor, and a Training Instructor. In 2001, she joined RCSD as a patrol deputy and began to work in the Training Division in 2002. Capt. Flowers has always had a passion for teaching and is honored to be able to integrate this passion into her career.

Lt. Ronn Thompson
Adm. Training Coordinator

Lt. Ronn Thompson's law Enforcement career began in 1971 with the Lumberton, NC Police Department, and includes two years with the Robeson County, NC Sheriff's Department. Ron Served with the North Myrtle Beach Department of Public Safety for 20 years, and held the positions of SWAT Commander and Training Officer until he retired with the rank of Captain in 1999. Ron is a graduate of the F.B.I. National Academy, and holds a dual Master's Degree in Management and Human Resource Development from Webster University. Lt. Thompson holds the positions of Training and Auxiliary Manpower Coordinator within the Training Division.

Lt. Dominick Pagano

Lieutenant Dominick Pagano served in the United States Army with the 82nd Airborne Division as a Parachute Infantryman, completing two overseas tours and multiple campaigns.  After completing active duty, Dominick served several more years in the Army Reserves. Dominick Pagano is currently a lieutenant and the senior law enforcement training instructor with the department.  Because of his prior experience and training, Dominick was assigned to the department’s Special Response Team early in his career.  Dominick has served for many years as a senior Special Response Team operator on the team responding to numerous critical incidents.  Dominick is currently the Tactical Commander for the Special Response Team and holds over 40 instructor ratings. 


Dominick still proudly serves his country as a First Sergeant with the South Carolina State Guard where he is the Training and Operations Supervisor for the Provost Marshal Command.  Dominick has personally trained thousands of military, law enforcement, fire, EMS, civilian and private sector personnel. Dominick has lectured and taught throughout the country on active shooter response and advanced law enforcement special operations. 


Dominick has also conducted extensive worked with schools, colleges and places of worship throughout the country. Dominick has conducted numerous training sessions for schools on preventing violent attacks and training on use of the incident command system during emergencies. Dominick has also provided multiple infrastructure vulnerability analyses for large corporations.

In addition to his law enforcement experience, Dominick also has vast experience in dignitary protection. Dominick has served as detail leader for multiple high-profile dignitaries and celebrities throughout the world.  Dominick most recently served as detail leader for the Medal of Honor convention in Charleston, South Carolina.


Dominick has a degree in dietary fitness and nutrition. Dominick actively maintains more than 70 law enforcement and self-defense certifications, with more than 40 instructor ratings.  Dominick has extensive training and certifications in active shooter response, asymmetric warfare and advanced security operations. Dominick has received numerous awards and commendations throughout his law enforcement and military career.


Sgt. Larry Croft

Sgt. Larry Croft’s law enforcement career began in 1990 with South Carolina Department of Public Safety. In 1991 he joined the Camden Police Department as a patrolman, during the time he was with them served as a Patrol Sergeant and Department Instructor. He joined the Richland County Sheriff’s Department in 2003. During his time with the Sheriff’s Department served as a member of Uniform Division, Community Action Team (CAT), Bike Patrol, and Field Training Program. He joined Training Division Staff in 2009. Sergeant Croft holds many certifications through the Criminal Justice Academy, Sabre OC, Taser International, S.P.E.A.R Tactical Systems, F.E.M.A Active Shooter Instructor, Advance Active Shooter Instructor, and (Paramilitary Attack/Counter Offensive Planning).


Corporal Joseph Chapman

Corporal Joseph Chapman began his law enforcement career with the Richland County Sheriff’s Department in 2006. He served in Region 5 as a Class III Deputy until he finished obtaining his Bachelor’s Degree in Criminal Justice and Criminology from the University of South Carolina. He then came to road patrol in Region 4 as a Class I Deputy. Chapman has also served time in Region 7 and in Region 2 as a Master Deputy before becoming an FTO in December of 2011. In May of 2013, Chapman joined the Training Division as an Instructor and was promoted to Corporal.  Cpl. Chapman holds many certifications to include: Specific Skills Instructor, OC Instructor, FTO Manager, Defensive Tactics Instructor, SKD Instructor, Ground Defense Instructor, Firearms Instructor, Glock Armorer, DMT Operator, SFST Instructor, Active Shooter/Threat Instructor (FLETC), Driving Instructor, Fair and Impartial Policing Patrol & Supervisor Instructor (DOJ), Juvenile Interactions Instructor (JJAC).  Cpl. Chapman currently serves as the Field Training Program Manager, as well as assists with New Hire Training, In-Service Training, and the Leadership Development Program.


Corporal Trobathian Johnson

Corporal Trobathian “T.J.” Johnson is a native of Fort Lauderdale Florida. His law enforcement career started in 2006 with the SC Department of Mental Health Public Safety. Trobathian joined the Richland County Sheriff’s Department in February of 2007. During his time with the Sheriff’s Department, he has worked as a School Resource Officer, Patrol Officer in Region 3, and Master Deputy in Region 1. Trobathian holds certifications in Advanced Law Enforcement Rapid Response, Field Training Officer, and Hostage/Crisis Negotiations. Trobathian has been awarded the Sheriff’s Life Saving award, Richland County Sheriff’s Department 2015 Deputy of the year, South Carolina Sheriff’s Association Medal of Valor, and received a State of S.C. Resolution recognizing him for heroism. Trobathian, is a proud member of the South Carolina Law Enforcement Officers Association and Phi Beta Sigma Fraternity Incorporated.

Corporal Deputy III George Medlock

Corporal Deputy III George Medlock

After leaving the military attended Georgia Southern University graduating with a Bachelor of Science in Education. Medlock served in Vietnam with the United States Marine Corps. He served the Sheriff’s Department for 9 years as a Reserve Deputy before taking a part time position in 2011 and then transitioning to full time with the Training Division in 2012. He also serves as member of the SRT support team and with the SC State Guard Provost Marshal Detachment in training and field operations.

Training includes; Combat Casualty Care, Personal Protection Training, Response to Multiple Incidents, Advanced Tactical Rifle, LE Shotgun, First Responder, Response to Multiple Incidents (Terrorist Actions), Glock, FN SCAR and P-90 Armorer,

Fields of instruction for RCSD include ASP handcuffing and baton and TASER Instructor, firearms, ground defense, active shooter, Officer Survival, S.P.E.A.R., spontaneous knife defense and weapon retention/ disarming.

Also instructs in NRA firearms, Personal Protection Courses, SC CWP and Utah CFP.


Instructor David Black

Instructor David Black has served in law enforcement for 37 years; for 18 as an instructor at the SC Criminal Justice Academy and presently for the RCSD Training Division. This has enabled him to share his accumulated knowledge and expertise with both new and experienced officers.

Instructor Bill McKinzie

Instructor Bill McKinzie joined the Sheriff's Department in December 2001. He developed the Department Auxiliary Manpower Program of 100 plus officers (Reserve Deputies and State Constables). Also, he developed and coordinates the Sheriff's Leadership Development Program, which received the SCLEOA Santee Cooper "Award of Excellence" 2008.

His law enforcement career has been extensive and he is now retired from the SC Criminal Justice Academy and the USAF Reserve. He graduated from The Citadel (BA), the University of South Carolina (MCJ), and Midlands Technical College (AA). He is a Distinguished Graduate of several training schools and the Federal Law Enforcement Training Center.

Bill instructs courses in the Sheriff's Leadership Institute in the Training Division.


Instructor Lewis Marshall

Instructor Lewis Marshall has been in Law Enforcement since 1968. During his service in Law Enforcement, he has been certified as an instructor in Defensive Driving, Forensic Hypnosis, Kingian Nonviolence and Police Canine Trainer. Lewis also teaches the public about drug abuse in kids today, use of Hypnosis in Law Enforcement and how to recognize the occult.

Instructor Philip Prynne

Instructor Philip Prynne is a Senior Reserve Deputy and Instructor. He spent over 8 years in the Navy in electronics and also with Naval Special Warfare.  He became a part time employee in 1997 with Richland County Search and Rescue teaching SAR Operations,  Land Navigation, Wilderness Survival, and Rope Rescue Operations. He is also a RCSD Citizens Academy Alumni. In 2003 he became a Reserve Deputy and is a current board member and instructor. He is currently a Handgun/Shotgun/Patrol Rifle Instructor, OC Instructor, Chemical Munitions, Distraction Devices, Explosive Breeching, Less Lethal, Taser X26 Instructor, PPCT- Defensive Tactics and Spontaneous Knife Defense (SKD) Instructor and a Glock Armorer. He is also a Sergeant in the S.C. State Guard Caisson Detachment that honors the military and law enforcement officers at funerals throughout the state of South Carolina.


Instructor Terri Williams

Instructor Terri Williams' law enforcement career began in 1981 with Columbia Police Department as the Chief’s Administrative Aide.  She became a Deputy with Fairfield County Sheriff’s Department in 1988, and in 1993 became a Physical Training and Defensive Tactics Instructor at the South Carolina Criminal Justice Academy.  After retiring from the Academy in 2006, she joined Richland County Sheriff’s Department’s Training Division, where she is currently serving as a Deputy on a part-time basis.  Her primary responsibilities include working with newly-hired recruits in Defensive Tactics training prior to their Basic Training, JSO, FTO, and SRO assignments. 

Deputy Williams holds a Bachelor of Arts Degree in Psychology and a Master of Criminal Justice, both from the University of South Carolina. 



5623 Two Notch Road 
Columbia, South Carolina 29223 
(803) 576-3000 phone (803) 576-3195 fax

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