Polk County

1123-Criminal Investigator-District Attorney

Polk County

Livingston, Texas, USPosted Aug 4, 2026

Job description

** Job Description: CRIMINAL INVESTIGATOR- DISTRICT ATTORNEY'S OFFICE **



**CLASS NO.**1123 ** EEOC CATEGORY: ** Service Workers ** **

PAY GROUP: 217 Commensurate with experience ** FLSA: **Non-exempt

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** SUMMARY OF POSITION :**

Conducts criminal investigations with primary emphasis on felony cases and performs a variety of law enforcement functions for the District Attorney's Office.

** ORGANIZATIONAL RELATIONSHIPS: **


  1. Reports to : District Attorney.

  2. Directs : This is a non-supervisory position.

  3. Other : Works closely with other departmental employees, law enforcement agencies, prisoners, witnesses, and the general public.

** EXAMPLES OF WORK :**

Essential Duties

Conducts all aspects of criminal investigations primarily involving felony cases, but may occasionally conduct investigations of misdemeanor or civil cases as required;

Conducts pretrial crime scene investigations;

Collects evidence to be used in trial, locates physical evidence, and handles and preserves chain of custody of evidence;

Locates prosecution witnesses, conducts background investigations of suspects and state and defense witnesses, obtains criminal histories, and obtains statements from witnesses and suspects;

Receives subpoenas for and issues copies of civil case records and serves as custodian of these records;

Works closely with all other related law enforcement agencies in conducting criminal investigations;

Serves subpoenas;

Assists others within and outside of the department on special cases;** **

Transports evidence and prisoners as needed; and

Other Important Duties *

May assist in selecting of jurors;

May review certain cases to determine if restitution should be substituted for prosecution; and

Performs such other duties as may be assigned.

** REQUIRED KNOWLEDGE, SKILLS, AND ABILITIES: **

*Knowledge of: * law enforcement administration, criminal and civil law, investigation and crime prevention methods and techniques, rules of evidence, laws governing custody of persons, general business practices, and personal computers.

Ability to: communicate effectively, both orally and in writing, including good interviewing techniques and skills; draft complaints and search warrants; operate cameras and video equipment; establish and maintain effective working relationships with other county employees and officials, attorneys, court personnel, representatives of law enforcement agencies, and the general public; and maintain appropriate necessary certifications.

** ACCEPTABLE EXPERIENCE AND TRAINING: **


High school graduation, or its equivalent, training in basic criminal investigation, and two years of experience as a law enforcement officer;

or any equivalent combination of experience and training which provides the required knowledge, skills, and abilities.

** CERTIFICATES AND LICENSES REQUIRED: **

Basic certification from the Texas Commission on Law Enforcement Officer Standards and Education (TCLEOSE).

Location : Livingston, TX 77351