Criminal Investigator

Livingston, TX
Polk County District Attorney

$41,541.00 Annually

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


  • 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.

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