Red Ribbon Week


Corporal Gregory Marquez has been a police officer with the City of Rialto for eleven years and currently supervises the Rialto Re-Entry Support Team, the Community Outreach Program (Homeless Program), the Crime Free-Multi-Housing Program and is the Community Liaison.

Corporal Marquez, holds a Bachelors of Science Degree in Criminal Justice from the California State University, Long Beach and a Master’s Degree in Public Administration: Public Sector Management and Leadership, from  California State University, Northridge. Throughout Corporal Marquez’s eleven years in law enforcement he has worked in a variety of assignments to include: the Street Crime Attack Team (SCAT) where he was recognized by the courts as a gang expert and was the author of one of the largest gang injunctions in the county within the city of Rialto. In addition, Corporal Marquez served on the departments detective bureau investigating burglaries, robberies and assisting in homicide investigations.

Corporal Marquez has implemented the Rialto Re-Entry Support Team (R.R.S.T.) which is a community based program to ensure enforcement and re-entry services to those subjects on probation and parole in the community. The program's model was based off of the Fontana Re-Entry Support Team from the Fontana Police Department. Corporal Marquez has attended the "Train the Trainer" course for the Crime Free Multi-Housing Program and has implemented the program in the city which is aimed at creating partnerships between "Landlords, Tenants, Managers and Law Enforcement" and "Keeping Illegal Activity Out of Rental Properties."

Corporal Marquez currently supervises RRST Officer Erica Duque who coordinates the "Community Outreach Program" which focuses on the homeless population to educate people in the community on resources available to assist them and also enforcement. He also supervises Officer Dwuan Rice and Officer Anthony Glass (Collateral assignment) to assist in all of the team's projects. 

Corporal Marquez, is also one of the lead officers in the award winning “at-risk” youth boot camp known as the “P.R.I.D.E. Platoon Boot Camp.”  The P.R.I.D.E. Platoon has received the California Police Officer’s Association, “Award of Distinction” and a finalist for the “James Q. Wilson Award” for excellence in community policing by the Regional Community Policing Institute. Corporal Marquez is also a certified instructor with the "G.R.E.A.T. Program" which stands for "Gang Resistance Education and Training" and is aimed at educating local middle school students to promote healthy living and life skills. 

For more information on the Rialto Re-Entry Support Team and Community Outreach Program visit and visit "@rialtoreentry" on, Instagram and Twitter. 

Corporal Greg Marquez can be reached at  (909) 421-49958 or at This email address is being protected from spambots. You need JavaScript enabled to view it.



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