Instructors

Sergeant Rachel DeHoyos is a 32 year veteran of the Fort Worth Police Department and has been assigned as the supervisor of the Crimes Against Children Unit (CACU) since December 2017. Before moving to CACU, Sergeant DeHoyos worked in the Tactical Operations, Special Response Team for seven years. Sergeant DeHoyos’ law enforcement experience includes time as a Patrol Sergeant, Mobile Field Force Team Leader, Detective, Bike Patrol Officer, DWI Enforcement and as a Department Trainer. Sergeant DeHoyos holds a Master Peace Officer License and is a TCOLE certified instructor. She has taught in the areas of Instructor Development, Bike Patrol, Pursuit Driving, Firearms and Advanced Law Enforcement Rapid Response Training (ALERRT). Sergeant DeHoyos is also on the Board of Directors for the Women of Law Enforcement Conference and teaches at the annual conference.

Sergeant DeHoyos was recognized as “Officer of The Year” in 1997 and as “Supervisor of The Year” in 2016. She graduated Summa Cum Laude with a Bachelor of Arts and Applied Sciences, in May of 2012 from Midwestern State University, Wichita Falls, TX.

Rachel DeHoyos
Rachel DeHoyos
Brandi Kamper
Brandi Kamper

Officer Kamper started her career in medicine in 1999 in the United States Army where she became a Combat Medic, and a nurse. She left the Army after 11 years as a Staff Sergeant. She then worked at the county hospital as a pediatric nurse before going to the police academy in 2007. She worked patrol for 3 years before co-creating a class called “Tactical Lifesaver” that teaches self- aid buddy aid to Police Officers in Fort Worth and surrounding agencies. Along with her fellow instructors, they have trained over 2000 officers in life saving prehospital trauma care. There have been many officers’ and citizens lives saved as a result of this training. Officer Kamper and her partner created the Fort Worth Police Department Tactical Medic Unit, which now consists of 7 cross trained Fort Worth Police Officers who are all Paramedics. The unit is responsible for answering all SWAT callouts, and answering high priority calls (i.e. shooting and stabbings) with patrol officers.

Patt Scheckel Hollingsworth is a police officer with 43 years of experience.  She began her career with the Arlington Police Department in 1974, and continues to serve as a reserve police officer. 

Ms. Hollingsworth holds TCOLE licenses and certificates which include: Master Peace Officer, Advanced Instructor, Mental Health Peace Officer, and Special Investigator Certificate along with several others.

She has conducted and coordinated assessment centers for selection of chiefs of police, supervisors and training coordinators.

Patt Hollingsworth
Patt Hollingsworth
Jamie Malone
Jamie Malone

Officer Jaime Malone started her Law Enforcement career in 1999 with the Taylor County Sheriffs Department (Abilene, Tx). After moving to Fort Worth, she joined the Fort Worth Police Department in 2005. In 2007, Officer Malone began helping at the Weapons Range as a part-time Firearms and Officer Survival Instructor.  After splitting her time between Patrol and the Weapons Range, Officer Malone took a full-time Firearms Instructor position in 2014.  Officer Malone is one of the lead instructors for all Recruit Firearms Training and Handgun, Shotgun, Carbine and Patrol Marksman In-Service courses offered at FWPD. Officer Malone holds a Master Peace Officer License and is certified  as a TCOLE Advanced Instructor, TCOLE Firearms Instructor, NRA Firearms Instructor and Simunition Force-on-Force Instructor; along with numerous Armorer certificates and has attended hundreds of hours of Instructor Development courses.

Marcott began her law enforcement career in 2003 in Albuquerque, NM. While there she served as Firearms, Officer Survival, Ground Control, and Defensive Tactics Instructor. She was also a part of the emergency response team that responded to Hurricane Katrina, CNT Member, Region 1 Narcotics Detective, and worked as a DES Task Force Officer conducting federal narcotics investigations for five years.

In 2015 Marcott relocated to Rio Rancho where she works as their Training Coordinator – Master Instructor. Her focus is on Tactical Firearms, Officer Survival, Terrorism Response Tactics, and Active Shooter Response.

Gloria Marcott
Gloria Marcott
Dara Young
Dara Young

Dara Young has been an Officer with the Colleyville Police Department since 2014. Dara began exercising diligently in 2012 with a guided training system before she first tested to be a Police Officer. Failing her first attempt at dragging a dummy on a physical agility test fueled her fire to never let it happen again! Dara later began lifting free weights, and has found her home gym at a family-owned strength training facility in Fort Worth, Texas. Along the way, Dara enjoyed Camp Gladiator workouts, Tough Mudders, a Spartan Race, she completed the 12-hour SealFit 20X Challenge, and has found that a combination of circuit training and power lifting is the most efficient approach to her goals.

Since Dara began working for the Colleyville Police Department, she has influenced and assisted others in beginning, and improving, their health and wellness journeys. In 2016, Dara was certified by the Cooper Institute as a Law Enforcement Fitness Specialist to better help fellow officers be fit for duty. In 2018, Dara was nominated for, and recognized as, the City of Colleyville’s Wellness Champion due to her diligence in recruiting active participation in city-wide wellness challenges and the example she set of consistency and discipline to her personal health and wellness.

Kristi King has been with the Arlington Police Department serving the citizens of Arlington for 12 1/2 years. She was promoted to the rank of Sergeant in December of 2016 and assigned to North Patrol. She currently oversees the operations of the DWI unit where she has been assigned since January 2018.

Sergeant King was born in Tulsa, OK and raised in the small town of Henryetta, OK. Sergeant King received a scholarship to play basketball and attended Oklahoma Baptist University where she received a Bachelor of Science degree in Sports Medicine in 2001. She then went on to obtain a 2nd Bachelor of Science degree from University of Oklahoma in Radiation Therapy in 2005. She then began her career with Arlington PD in 2007 as a member of Class #35.

Besides several years working patrol, she spent time working as an officer in the DWI unit for 7 ½ years before promoting in 2016. Sergeant King is also a squad leader for Arlington’s Special Response Team, a TCOLE instructor, as well as an SFST instructor.

During her career, Sergeant King has earned numerous commendations and awards. She is a graduate of the Institute for Law Enforcement Administration (ILEA) Supervisor Class as well as the Women’s Leadership Institute (WLI).

Kristi King
Kristi King
Mac Tristan
Mac Tristan

Mac Tristan retired from Coppell Police Department in November of 2018 after serving as Chief of Police for 7 years. He came to Coppell after serving 29 1⁄2 years with the City of Carrollton Police Department, leaving there as an Assistant Chief.

Chief Tristan received his Bachelor’s Degree in Criminal Justice from Sam Houston State University, where he graduated with Honors. He is a graduate of the FBI National Academy, the Senior Management Institute for Police, John F. Kennedy School of Government, Cambridge, Massachusetts, and the U.S. Army War College Strategic Implementation Seminar in Carlisle Barracks, Pennsylvania.

Chief Tristan believes strongly in Problem Oriented Policing and Servant Leadership. He not only teaches the subject, he has successfully implemented this philosophy in every bureau and department he has led, including the Coppell Police Department.

He has worked with the Chinese National Police in Hangzhou, China, has lectured in Stockholm, Sweden with the Swedish National Police and as a speaker at the Stockholm Criminology Symposium. He was the keynote speaker at the Leadership in Policing conference in Vaxjo, Sweden, Linnaeus University in May 2015. Chief Tristan is on the adjunct faculty of the Institute for Law Enforcement Administration, Plano, Texas.

Kristina Gonzalez has been a peace officer for 9 years and has worked in the areas of Patrol, Administrative Services, SRO, Field Training Officer, Negotiator, and the Criminal Investigation Division.  Detective Gonzalez currently serves as the Intimate Partner Violence Detective where she specializes in Assault, Sexual Assault, and Strangulation investigations.  Detective Gonzalez serves as the DV/IPV Trainer for the agency where she trains recruit officers on how to improve their investigation skills regarding Domestic Violence calls.

Kristina Gonzalez
Kristina Gonzalez
Lt. Kimberly Harris
Lt. Kimberly Harris

Kimberly L. Harris is the Mental Health and Community Advocacy Commander at the Arlington Texas Police Department. She also serves on the Crisis Negotiation Team as the Assistant Team Leader.

Kimberly received her bachelor’s degree from Oklahoma City University in Psychology. From there she studied at the University of North Texas and graduated with a master’s degree in Counseling Education with a focus on mental illness. She is a licensed counselor for the state of Texas and holds a national certification. On the law enforcement side, she is a TCOLE instructor, has a Master Peace Officer designation, and has served on the Critical Incident Stress Management Team.

Kimberly’s law enforcement journey of 20 years includes supervisory positions within Internal Affairs, the Jail, the Traffic Unit, and Patrol Operations. She has led the department in the mental health initiative since 2012 when she established a Co.Responder Team which pairs a clinician with an officer to conduct mental health follow ups in the community. Kimberly is the SME for mental health at the training center. She has developed courses in crisis intervention, stress management, mental health issues, negotiation principles/techniques, and verbal judo for a variety of populations.

Her prior career experience includes work in psychiatric settings with both private and public sectors. She specializes in crisis intervention/assessment, mental health counseling and brief therapy.