Nigel Reynoso
Alan Guevara
Emmanuel Botello
Damian Miller
Nigel Reynoso
Chief Nigel Reynoso was born in San Luis, Mexico and has been a resident of San Luis, Arizona since 1988. He has served the community as a Police Officer for the City of San Luis Police Department since 2005.
Chief Reynoso has commanded all divisions of the San Luis Police Department including Patrol, Support Services, and Administration as a Police Lieutenant.
Chief Reynoso is a graduate of Northwestern School of Police Staff and Command and the University of Phoenix with a Bachelor of Science in Criminal Justice Administration. He is also a graduate of the Arizona Peace Officer Standards and Training Board (AZPOST) Leadership Program (ALP) Session 21 and has completed the FBI Law Enforcement Executive Development Association’s leadership schools and has achieved the FBI-LEEDA Trilogy Award.
Chief Reynoso serves as a member of the International Association of Chiefs of Police, the Arizona Association of Chief of Police, and the Yuma County Drugs & Delinquency Coalition. Chief Reynos is a United States Marine Corps Veteran.
Alan Guevara
Lieutenant Alan Guevara started his journey with the San Luis Police Department in 2000 as a Police Explorer. Then, in 2004 he was hired as an SLPD Communications Officer, where he trained new Communications Officers. The San Luis Police Department selected Lieutenant Guevara to attend the Arizona Western College Law Enforcement Training Academy in 2010. He graduated in 2011 and was transferred into a Police Officer position.
Lieutenant Guevara was promoted from Officer to Corporal in 2014, and from Corporal to Sergeant in 2018, all within the Patrol Division, where he supervised several patrol squads, including the Crime Suppression Unit. While in the Patrol Division, he also served as the Volunteer Program Coordinator, Reserve Program Liaison and assisted in the Citizens Academy. In 2019, Lieutenant Guevara was transferred to the Support Services Division as the Detective Sergeant, where he supervised the Detective’s Section, the Evidence Section, the Liaison Unit, and the department logistics. Lt. Guevara holds a bachelor’s degree of Science in Criminal Justice Administration from Columbia Southern University. In 2023, he was promoted to Lieutenant in the Support Services Division.
Lieutenant Guevara has several certifications and trainings, such as AZ POST Field Training Officer, Firearms and Rifle Instructor, Defensive Tactics Instructor, Basic SWAT Training, Threat Liaison Officer Training, AXON Body Worn Camera Instructor, Pepper Ball Instructor, Physical Fitness Instructor, and Advanced Incident Command Training. Lieutenant Guevara has also written and been awarded multiple grants on behalf of the San Luis Police Department.
Lieutenant Guevara has commanded the Support Services Division and is currently the Patrol Division Lieutenant.
Emmanuel Botello
Lieutenant Botello joined the San Luis Police Department in March of 2009. Lieutenant Botello’s previous assignments include Explorer Program Coordinator, Bike Patrol, Traffic Enforcement Unit, Detective assigned to the Arizona State Gang Unit, Field Training Officer and Police Corporal.
Lieutenant Botello is currently a Physical Fitness Instructor, lead Tactical Driving Instructor, lead High Risk Stops Instructor and Field Training Program Coordinator. Lieutenant Botello graduated from the Northern Arizona University and holds a bachelor’s degree in criminal justice. Lieutenant Botello graduated the Arizona Law Enforcement Academy in South Mountain, Phoenix, in 2008.
Damian Miller
Lieutenant Miller started with the San Luis Police Department in February 2005. Lieutenant Miller’s previous assignments have included being assigned as a K9 Sergeant to the Patrol Division, Patrol Sergeant, Patrol Corporal, and Volunteer Program Coordinator.
Lieutenant Miller is a General Instructor, Physical Fitness Instructor, Defensive Tactics Instructor, High Risk Stops Instructor and ICS Instructor. Lieutenant D. Miller is a graduate of the United States Border Patrol Canine Academy in El Paso, Texas (CCEP), the Arizona Department of Corrections Service Dog Academy, and Glendale Community College Law Enforcement Training Academy (LETA).
Lieutenant Miller is currently assigned to Administration Division of the San Luis Police Department.

