Summary
Overview
Work History
Education
Skills
Certification
Education Licenses Certifications
Areas Of Skill
Timeline
Generic

MARIO REYNA

Forney,TX

Summary

Accomplished Detective with extensive experience at Dallas Independent School District, specializing in criminal investigations and internal affairs. Proven expertise in evidence collection and courtroom testimony, coupled with strong community relations skills. Successfully maintained public trust while enhancing safety protocols, fostering a secure environment for students and staff. Bilingual in English and Spanish.

Overview

12
12
years of professional experience
1
1
Certification

Work History

Detective/Internal Affairs

DALLAS INDEPENDENT SCHOOL DISTRICT
Dallas, USA
08.2016 - Current
  • Provide investigation expertise and oversight on a wide variety of criminal investigations. Responsible for conducting investigations while enforcing criminal laws and institutional regulations that promote the protection, safety, and welfare of employees, students, visitors, and all property areas, and control of the Dallas ISD School District.
  • Collect evidence, interview witnesses, prepare and proofread written reports for a criminal prosecution, present cases before the grand jury, and testify in court.
  • Write warrants of arrest and search warrants.
  • Internal Affairs Position 07/2017-07/2019: Assist the Police Administration in maintaining the public trust by conducting administrative investigations of officers involved in criminal activities, use of force incidents, or violations of departmental policies.
  • Investigate complaints of misconduct, whether received from citizens, or employees.
  • Obtained search warrants and executed them to gather evidence related to a case.
  • Analyzed evidence collected from crime scenes to identify potential suspects.
  • Provided testimony during trials concerning facts uncovered during investigations.
  • Reviewed police records and other information sources to obtain leads in cases.
  • Conducted interviews and interrogations with witnesses, victims, and suspects.
  • Assisted prosecutors with trial preparation by providing expert opinion on matters related to the case.

Police Officer/SRO

DALLAS INDEPENDENT SCHOOL DISTRICT
Dallas, USA
07.2013 - 01.2016
  • Patrols and performs preliminary and follow-up investigations of situations involving crimes against persons and property, apprehend violators, make arrests when applicable, and issue citations.
  • Enforce moving traffic and other related ordinances under state and local laws.
  • Facilitated communication between administration and families regarding school policies, procedures, or incidents involving their children.
  • Served as a liaison between the school and local law enforcement agencies during incidents requiring police involvement.
  • Developed relationships with students by engaging in conversations and activities.
  • Collaborated with teachers, administrators, counselors, parents and guardians, and other stakeholders to create safe learning environments for all students.
  • Assisted law enforcement agencies with investigations related to criminal activity on campus.
  • Responded to emergency situations such as fights, medical issues, or suspicious activity.
  • Provided training sessions for faculty members regarding security protocols for handling emergencies.
  • Established positive relationships with students through mentorship programs.
  • Promoted positive behaviors through education rather than punishment whenever possible.
  • Deterred criminal activity, vandalism, and general misconduct by providing expert and highly visible security presence at facilities.

Education

Commissioned Peace Officer -

Texas Commission on Law Enforcement
07.2013

High School Diploma -

Dallas Skyline High School
Dallas, TX
05.1995

Skills

  • Evidence collection and preparation
  • Criminal investigation techniques
  • Interviewing and witness interrogation
  • Courtroom testimony skills
  • Scene processing expertise
  • NCIC/TCIC system proficiency
  • Community and public relations
  • Filing cases with Dallas DA office
  • Investigative methods and techniques
  • Statement and information gathering
  • Bilingual communication (English and Spanish)
  • Criminal background checks
  • Report writing skills
  • Team collaboration
  • Internal affairs knowledge

Certification

  • Basic Instructor Course, Texas Commission on Law Enforcement Johnson County Sheriff’s Office, 05/01/19
  • Institute for Law Enforcement Administration Internal Affair’s Professional Standards and Ethics Course, 11/01/18
  • Master Peace Officer, Texas Commission on Law Enforcement, 07/01/23

Education Licenses Certifications

  • Dallas Skyline High School, 7777 Forney Rd, Dallas, TX, 75227, High School Diploma, 05/01/95
  • The United States Marine Corps, Honorable Discharge, 10/01/99
  • Marine Corps Reserves, 10/01/03
  • Texas Commission on Law Enforcement, Commissioned Peace Officer, 294239, 07/01/13

Areas Of Skill

  • Evidence Collection/Preparation
  • NCIC/TCIC System/Techshare
  • Community & Public Relations
  • Knowledge of Filling Cases with Dallas DA Office
  • Investigating Methods & Techniques
  • Witness Interviews & Interrogations
  • Statement & Information Gathering
  • Bilingual English and Spanish
  • Criminal Background Checks
  • Written Reports Preparation
  • Strong Team Collaboration
  • Internal Affairs

Timeline

Detective/Internal Affairs

DALLAS INDEPENDENT SCHOOL DISTRICT
08.2016 - Current

Police Officer/SRO

DALLAS INDEPENDENT SCHOOL DISTRICT
07.2013 - 01.2016

Commissioned Peace Officer -

Texas Commission on Law Enforcement

High School Diploma -

Dallas Skyline High School