Lionel Trevino
Harlingen,USA
Summary
Dynamic law enforcement professional with extensive experience at the Texas Department of Public Safety, excelling in witness interrogations and undercover operations. Proven ability to gather and analyze complex reports, providing expert testimony in court. Strong leadership skills foster team efficiency and enhance public safety initiatives.
Overview
29
29
years of professional experience
1
1
Certification
Work History
Investigator IV
Texas Department of Motor Vehicles
Harlingen, Texas
03.2025 - Current
- Evaluated complaints filed to determine applicability of regulatory statues.
- Conducted research of state and federal statues, regulations and other issues affecting area of jurisdiction.
- Maintained case files.
- Provided expert testimony in court cases.
- Facilitated resolution of complaints through mediation efforts will all concerned parties.
- Performed other job-related duties.
Special Agent
Texas Department of Public Safety
Harlingen, Texas
03.2020 - 09.2024
- Conducted professional narcotic, gang and auto theft investigations.
- Developed lists, contacts and interviews of potential witnesses.
- Coordinated with other agencies during multi-jurisdictional investigations.
- Interviewed witnesses and suspects.
- Gathered evidence and served as witness in court proceedings.
- Prepared reports, kept investigation records, and maintained all case-related paperwork.
- Organized agents' activities to protect people and property.
- Preformed other job-related duties as assigned.
- Attended worked regularly and adhered to approved work hours in accordance with department polices and procedures.
Polygraph Examiner
Texas Department Of Public Safety
Weslaco, Texas
01.2018 - 03.2020
- Conducted thorough polygraph examinations for criminal investigations and pre-employment screenings.
- Analyzed physiological responses to determine truthfulness in interviews and interrogations.
- Maintained current knowledge of advancements in polygraph technology and techniques.
- Ensured compliance with state regulations governing polygraph examinations and practices.
- Coordinated with local law enforcement agencies regarding criminal investigations requiring use of a Polygraph Examiner.
Supervisor of Organized Crime Group
Texas Department of Public Safety
01.2012 - 01.2018
- Supervised 6 Special Agents conducting criminal investigations.
- Maintained overall safe work environment with employee training programs and enforcement of safety procedures.
- Applied strong leadership talents and problem-solving skills to maintain team efficiency and organize workflows.
- Provided on the job training to newly promoted Special Agents.
- Conducted yearly employee performance evaluations.
- In charge of investigative funds for investigative expenditures.
Special Agent
Texas Department of Public Safety
01.2008 - 01.2012
- Conducted professional narcotic, gang and auto theft investigations.
- Assisted Executive Protection Bureau with executive protection of Texas Governor.
- Interviewed witnesses and suspects.
- Gathered evidence and served as witness in court proceedings.
- Prepared reports, kept investigation records, and maintained all case-related paperwork.
Trooper
Texas Department of Public Safety
01.1997 - 01.2008
- Completed 6 month training academy in Austin.
- Enforced State and Federal drug laws.
- Conducted professional accident investigations.
- Conducted area firearms training as a TCOLE certified firearms instructor.
- Enforced Federal Motor Carrier Laws and Regulations.
- Conducted public safety education presentations at schools.
- Acted calmly and efficiently in emergency and serious situations such as high-speed vehicle chases and standoffs.
- Developed arrest, unlawful activity and incident reports.
- Served active warrants and subpoenas and patrolled designated districts in patrol cars.
- Enforced traffic laws and ordinances through visual observation and radar speed detection.
- Patrolled assigned areas to prevent and detect roadway crimes.
Education
Bachelor of Arts - History
University of Texas At Brownsville
Brownsville, TX01.1997
Skills
- Witness interrogations and interviews
- Law enforcement practices
- Sensitive information handling
- Undercover operations
- Experienced field Investigator
- Ability to identify, gather and examine complex reports
- Expert testimony in court cases
- Experienced in preparing investigative reports
- Surveillance operations
- Firearms Training
- Public safety and security
- Considerable knowledge of investigative practices and procedures
Certification
- TCOLE Master Peace Officer
- TCOLE Intermediate Peace Officer
- TCOLE Basic Peace Officer
- TCOLE Firearms Instructor
- TCOLE Basic Instructor
- TCOLE Court Security Officer
Timeline
Investigator IV
Texas Department of Motor Vehicles
03.2025 - Current
Special Agent
Texas Department of Public Safety
03.2020 - 09.2024
Polygraph Examiner
Texas Department Of Public Safety
01.2018 - 03.2020
Supervisor of Organized Crime Group
Texas Department of Public Safety
01.2012 - 01.2018
Special Agent
Texas Department of Public Safety
01.2008 - 01.2012
Trooper
Texas Department of Public Safety
01.1997 - 01.2008
Bachelor of Arts - History
University of Texas At Brownsville