Employment Opportunity

Latent Fingerprint Examiner

Saint Louis Police Department, Saint Louis, Missouri

Salary: $41,730.00 - $65,234.00 per year

Final Filing Date: March 24, 2017

Incumbents perform duties to prepare and identify latent fingerprint evidence of subjects in cases and for testimony in trials presented by prosecution or defense attorneys.

This is a journey-level technical classification in the Police Services Series - Identification Group job family within the City of St. Louis. Incumbents perform a variety of moderately complex to complex duties. The distinguishing characteristics of this classification within the series include responsibility for conducting investigation of evidence.

Incumbents work under general supervision. While workers require some supervision in most assignments, they are free to develop their own work sequences within established procedures, methods and policies. They are generally subject to periodic supervisory checks.

This is an individual contributor class, meaning the incumbent is responsible for his/her own work including output, quality and timeliness. Incumbents may, however, explain work processes and train others, such as new employees, in the same or similar job title. The individual contributor may serve as a resource or guide by advising others on how to use processes within a system or as a member of a collaborative problem-solving team.

Duties and Requirements Click to read more


  • Classifies and compares latent fingerprint evidence to identify and eliminate suspects of crimes.
  • Contacts appropriate authorities once identification is made and prepares lab reports on identifications.
  • Evaluates latent fingerprint evidence for possible value.
  • Processes evidence for possible latent fingerprints using powders or chemicals, and then photographs evidence.
  • Maintains and protects criminal evidence in personal custody.
  • Testifies in court regarding latent fingerprint evidence identifications. Prepares exhibits and charts for court presentations.
  • Maintains latent fingerprint evidence files.
  • Maintains supplies used in processing crime scenes for the Evidence Technician Unit.
  • Uses state and federal Automated Fingerprint Identification Systems.
  • Regularly provides identification services to other federal, state and local law enforcement agencies.
  • Complies with revisions from time to time after mutual consultation.
  • Lectures and trains on the science of fingerprint technology to the St. Louis Police Academy and other local educational institutions.
  • Classifies searches and compares fingerprints on arrested and potential suspects for identification.
  • Performs name and fingerprint identification checks and notifies the appropriate authorities.
  • Fingerprints unconscious or deceased subjects to establish identity.
  • Fingerprints and photographs subjects in accordance with established procedures (e.g. new employees, juveniles, etc.).
  • Performs the duties of fingerprint technicians when necessary.
  • Performs other duties as assigned.


  • An Associate’s degree in Physical Science or Criminal Justice; plus two years of experience in Latent Fingerprint Technology.
  • OR
  • An equivalent combination of education, training and experience.
  • Must obtain AFIS Certification by the Missouri Highway Patrol within 24 months of date of hire; become REJIS and MULES certified; and obtain IAI Latent Certification.
  • All certifications must be maintained while employed by the City of St. Louis.
  • Must possess and maintain a valid Missouri driver’s license while employed by the City of St. Louis.
  • Data Utilization: Requires the ability to perform basic level of data analysis including the ability to review, classify, categorize, prioritize and/or reference data, statutes and/or guidelines and/or group, rank, and investigate. Requires discretion in determining and referencing such to established standards to recognize interactive effects and relationships.
  • Human Interaction: Requires the ability to provide guidance, assistance and/or interpretation to others, such as co-workers and the public, on how to apply policies, procedures and standards to specific situations.
  • Equipment, Machinery, Tools and Materials Use: Requires the ability to operate, maneuver and/or provide simple but continuous adjustment on equipment, machinery and tools such as typewriter, personal computer, computer terminal and scanner, copier, fax, fingerprint magnifier, Polaroid camera, computerized camera, multiple computer programs, and/or materials used in performing essential functions.
  • Verbal Aptitude: Requires the ability to utilize a wide variety of reference and descriptive data and information such as forms, orders, packing slips, schedules and general operating manuals.
  • Mathematical Aptitude: Requires the ability to perform addition, subtraction, multiplication and division; calculate decimals, fractions and decimals; perform mathematical operations involving basic algebra.
  • Functional Reasoning: Requires the ability to apply principles of rational systems. Ability to interpret instructions furnished in written, oral, diagrammatic or schedule form. Ability to exercise independent judgment to adopt or modify methods and standards to meet variations in assigned objective.
  • Situational Reasoning: Requires the ability to exercise the judgment, decisiveness and creativity required in situations involving the evaluation of information against measurable or verifiable criteria.
  • Environmental Factors: Tasks may risk exposure to adverse environmental conditions, such as wetness, humidity, rain, fumes, temperature extremes, traffic hazards and toxic/poisonous agents.
  • Physical Requirements: Requires the ability to lift, push and pull samples weighing up to twenty (20) pounds.
  • Sensory Requirements: Requires the ability to recognize and identify similarities or differences between characteristics of colors and shapes to analyze samples, and sounds to operate motor vehicle.

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How to apply: Apply online

Posted: March 8, 2017

NOTE: The is not responsible for typographical errors or omissions in employment notices on this web site. Often, employers change final filing dates, change duties and/or requirements, or close employment openings without notice. If you are interested in a job posted on this site be sure to contact the employer to see if changes in the filing date or job announcement have been made. Employers can also provide more information about open positions that does not appear in the announcements on these pages.