Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Mario Hernandez

Riverside,CA.

Summary

As a Police Sergeant, I have supervised teams of personnel ranging from 8 to 14 members. I provided guidance and mentorship during emergency situations and complex investigations. I also conducted regular evaluations and performance reviews of employees while ensuring compliance with department policies and procedures.

Overview

28
28
years of professional experience
1
1
Certification

Work History

Armed Security Officer

Nationwide Gaurd Services
04.2024 - Current
  • Reduced vandalism and criminal activity by keeping close eye on premises through personal checks and CCTV monitoring.
  • Responded quickly to incidents and assessed active situations for security concerns.
  • Checked personnel ID badges and issued temporary credentials to visitors.
  • Conduct personal security for company executives, VIP's, and assets at remote locations and special events.
  • Supported criminal investigations by collaborating fully with local law enforcement representatives.
  • Controlled access to property to secure facility and grounds from unauthorized entry.
  • Recorded observations and occurrences and interviewed witnesses to complete and submit incident report.

Sergeant

Corona Police Department
12.2020 - 03.2024
  • Supervised sworn officers, jailers, and non-sworn officers assigned to the Field Services Division.
  • Supervised members of the Critical Incident Team, focusing on criminal and crime scene investigations.
  • Supervised detectives and professional staff assigned to the Investigative Services Divisions, Persons Crimes Unit, Property Crimes Unit, and Crime Analysis Unit.
  • Designated as the point of contact for the Investigative Services Division in the absence of the assigned Lieutenant.
  • Participated in multiple use-of-force review boards and promotional oral panels. Partnered with city legal counsel to conduct interviews of use-of-force experts for civil litigation.

Senior Detective/Detective

Corona Police Department
08.2011 - 12.2020
  • Worked assignments in the Robbery/Homicide Unit, Sexual Assault and Child Abuse Unit, Vice/Narcotics/Gangs and Intelligence Unit, and Property Crimes Unit.
  • Worked as the lead detective on the Critical Incident Team, investigating officer-involved shootings. I interviewed involved officers and assisted with the administrative and civil investigations.
  • Presented homicide and officer-involved shooting investigations to the Riverside County District Attorney's Office.
  • Testified in superior court and designated as the investigating officer during jury trials.
  • I interviewed hundreds of victims, witnesses, suspects, and officers during hundreds of investigations.
  • Collaborated with numerous outside law enforcement agencies, including sheriff departments, district attorney offices, the California Department of Justice, and the Federal Bureau of Investigation.

Police Officer

Corona Police Department
07.2002 - 08.2011
  • First responder to emergency and non-emergency calls for service.
  • Assigned to the department's problem-oriented enforcement team.
  • Assigned to a multi-agency drug trafficking and money laundering task force with the California Department of Justice, Bureau of Narcotic Enforcement.
  • Testified as an expert in illegal drug sales and drug trafficking in Riverside County and San Bernardino County Superior Court.
  • Worked as an undercover operative and case agent for undercover operations.
  • Assigned to the task force entry team for search warrant and arrest operations.

Correctional Deputy/Deputy Sheriff

Riverside County Sheriff Department
01.1997 - 07.2002
  • Supervised and transported in-custody inmates housed at the Robert Presley Detention Center.
  • Assigned as a training officer to newly hired correctional deputies and deputy sheriffs.

Education

Riverside City College and California State University San Bernardino

Skills

  • Team Leadership
  • Criminal and Internal investigations
  • Training and development
  • Security operations
  • Verbal and written communication skills
  • De-Escalation
  • Surveillance
  • Risk management
  • Crisis Management
  • Conflict Resolution

Certification

Supervisor Certificate California POST December 2021


Advanced Certificate California POST December 2009


Golden West Leadership Development Course Golden West College


Supervisory Management Track Certificate California Narcotic Officer's Association


California Guard Card California BSIS September 2023


California Firearm Permit California BSIS November 2023

Timeline

Armed Security Officer

Nationwide Gaurd Services
04.2024 - Current

Sergeant

Corona Police Department
12.2020 - 03.2024

Senior Detective/Detective

Corona Police Department
08.2011 - 12.2020

Police Officer

Corona Police Department
07.2002 - 08.2011

Correctional Deputy/Deputy Sheriff

Riverside County Sheriff Department
01.1997 - 07.2002

Riverside City College and California State University San Bernardino

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