Employment Opportunity

Latent Print Examiner

St. Louis County Police Department, St. Louis, Missouri

Salary: $40,539.20 - $64,854.40 Annually

Final Filing Date: Continuous

A Latent Print Examiner performs work of marked difficulty in the analysis of latent fingerprints in criminal cases to develop facts useful in the identification, apprehension and prosecution of suspects. Work is performed under the supervision of the Unit Supervisor. Work involves the examination and comparison of latent fingerprints, chemically processing items for fingerprint evidence and testifying as an expert witness. Work is reviewed for quality and performance.

Duties and Requirements Click to read more


  • Evaluates and compares latent fingerprint evidence by use of the ACE-V (analysis, comparison, evaluation and verification) method using a magnifier or other means available.
  • Determines identity of individuals through analyzing latent fingerprints.
  • Enters fingerprint information into Automated Fingerprint Identification System (AFIS) and Next Generation Identification (NGI)-FBI.
  • Maintains evidence chain of custody, and record keeping.
  • Testifies in court as an expert witness on fingerprint evidence.
  • Advises crime scene personnel and police officers on technical issues such as appropriate methods to obtain and preserve latent fingerprints.
  • Uses reagents and powders to process evidence for latent prints.
  • Writes police reports to document fingerprint processing identification.
  • Trains fingerprint technicians and police personnel on fingerprint classification systems, fingerprint crime scene techniques and fingerprint processing methods.
  • Processes suspects and victim fingerprints by preparing ink rolled and/or livescan fingerprints; prepares ink rolled fingerprints from cadavers and amputated fingers.
  • Provides technical assistance to fingerprint technicians.
  • Make photographic reproductions of fingerprint impressions.
  • Acts as supervisor of the Fingerprint Unit as needed.


  • Knowledge of the practices and principles of latent fingerprint examination and processing.
  • Knowledge of the uses, applications and methods of fingerprint classification systems.
  • Knowledge of Automated Fingerprint Identification Systems (AFIS).
  • Knowledge of crime scene techniques and procedures as they relate to obtaining latent fingerprints.
  • Skill in processing latent fingerprint evidence.
  • Skill in interpreting fingerprints as evidence in police investigations and court proceedings.
  • Skill in writing police reports.
  • Ability to testify in court as an expert witness on fingerprint evidence.
  • Ability to communicate effectively with police agencies, court officials and co-workers.
  • Ability to train others in fingerprint practices and methods.
  • Ability to apply accepted codes, methods and principles in processing latent fingerprints.
  • Skill and ability to successfully complete assigned proficiency tests.
  • Must possess initiative and be able to prioritize duties to meet deadlines.
Training and Experience
  • Graduation from an accredited college or university with a Bachelor's Degree in Natural Science, Criminal Justice or related field and three years experience in the fingerprint discipline including at least two years working with latent fingerprints; or any equivalent combination of education, training and experience.
  • If the applicant is using experience substitution to meet educational requirements, letters of endorsement should include information concerning the applicant's specific experience including length of service.
Special Requirements
  • Certification as a Latent Print Examiner by the International Association for Identification or acceptable equivalent.
Additional Information Salary may be negotiable based on preferred certification and years of experience.

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How to apply: Apply online

Posted: January 29, 2018

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