About the Department

***Reposted: 3/30/2026

This position is responsible for performing criminal investigations for the District Attorney’s Office.

Position Duties

• Provides support to prosecuting attorneys during criminal investigations prior to and during the prosecution of criminal cases.
• Conducts investigations on a wide variety of criminal complaints and felony and misdemeanor criminal cases, including such areas as NSF checks, spousal abuse, narcotic offenders, fraud, and child abuse.
• Prepares and serves criminal process documents.
• Makes arrests as necessary based on probable cause, bench warrants, search warrants, arrest warrants, and criminal complaints.
• Provides courthouse and courtroom security during trials.
• Locates and contacts victims, witnesses, and potential witnesses; makes travel arrangements for victims and witnesses; conducts background checks on potential witnesses; coordinates the appearance of witnesses at trial and explains court procedures to them.
• Testifies in court concerning evidence gathered in pre-trial investigations.
• Obtains statements, documents, and related evidence for use in court.
• Prepares courtroom visual aids, such as diagrams, photographs, and documents.
• Assists District Attorneys during court.
• Checks and verifies jury lists.
• Retrieves and stores physical evidence.
• Operates police radios, computers, photographic and recording equipment, and other related law-enforcement equipment.
• Performs any other duties as assigned.

• Knowledge of the purposes, principles, terminology, and practices required in criminal investigations, legal proceedings, and the judicial process.

• Knowledge of legislative updates and professional mandates related to criminal investigations, legal proceedings, and the judicial process.
• Knowledge of audio and video formats, evidentiary technology, and related court procedures.
• Knowledge of evidence preservation and chain of custody requirements.
• Knowledge of equipment, technology, materials, and chemicals used in criminal and crime scene investigations.
• Skill in the use of computers and job-related software programs.
• Skill in interview techniques.
• Skill in processing, analyzing, and preserving evidence.
• Skill in the analysis of problems and the development and implementation of solutions.
• Skill in the preparation of clear and precise administrative reports.
• Skill in oral and written communication.
• Ability to communicate in English and Spanish.

Minimum Qualifications

• Must have a high school diploma or GED from an accredited institution.
• Must have at least six (6) years of experience.
• Must have a Texas Commission of Law Enforcement Officers Standards and Education (TCOLE) license.

Other Qualifications

Complexity/Scope of Work

• The work consists of varied investigative duties. The variety of tasks to be performed contributes to the complexity of the position.

• The purpose of this position is to assist in the investigation of criminal cases. Success in this position results in the successful prosecution of criminal cases.

Physical Demands/Work Environment

Occasionally

• Ascending or descending ladders, stairs, scaffolding, ramps, and poles.
• Moving oneself in different positions to accomplish tasks in various environments, including tight and confined spaces.
• Remaining in a stationary position, often standing or sitting for prolonged periods.
• Moving to accomplish tasks or moving from one worksite to another.
• Adjusting or moving objects up to 20 pounds in all directions.
• Repeating motions that may include the use of wrists, hands, and/or fingers.
• Operating machinery and/or power tools.
• Operating motor vehicles or heavy equipment.
• Assessing the accuracy, neatness, and thoroughness of the work assigned.
• Working in low temperatures.
• Working in high temperatures.
• Working in outdoor elements such as precipitation and wind.
• Working in noisy environments.
• Working in hazardous conditions.
• Working in small and/or enclosed spaces.
• Working in adverse environmental conditions is expected.
• Sedentary work that primarily involves sitting/standing.
• Light work that includes carrying objects up to 20 pounds.
• Medium work that includes carrying objects up to 50 pounds.

Constantly

• Communicating with others to exchange information.

• Must possess a valid and current Texas driver's license.

• The Webb County Drug and Alcohol Policy applies to this position. Pre-employment drug and alcohol testing, a Motor Vehicle Record (MVR) check, and a criminal background check are required.
• This position is not covered under Civil Service; however, all other Webb County policies apply.