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RON SMITH & ASSOCIATES, INC.
Advanced ACE-V Applications for Fingerprint Examiners

Course Description

This course takes ACE-V to the next level. In the course, we deconstruct ACE-V into the various stages and perform exercises, individually and as a group, to demonstrate the course material. We will explore the significant decisions and steps in each phase of ACE-V: Analysis, Comparison, Evaluation, and Verification. Students taking this course will have a greater appreciation for the complexities of ACE-V and decision-making, will be knowledgeable about the most current research and standards regarding ACE-V, and will be exposed to complex current issues (such as bias, error rates, probabilistic reasoning, etc.). The course provides a clear framework for exploring the many facets of the more complex issues in the fingerprint domain. All material will be supported by research data, references, and ample sources for the students to explore.

We will explore significantly complex fingerprint comparisons in this course. We will also cover issues relating to the 2009 National Academy of Science Report on forensic sciences. Specifically, we will address issues such as the “individualization” philosophy and error rates, and discuss the relevant research and data available on these topics.

This course is a must for any examiner who is struggling with issues in performing or testifying to ACE-V fingerprint examinations in a post-Daubert or post-NAS environment. The course explores many ways to address these critical areas through new research, data, and philosophies.  

Target Audience

This is a more advanced and complex course, with some assumption that the student has previously been exposed to the basics of ridgeology, ACE-V, Daubert issues, distortions, and complex analyses. Ideally, the student will have at least 2 years of latent print work or 8 years of 10-print work. The course deals with complex issues such as “uncertainty”, “error rates”, “cognitive bias”, and “complex distortions”. As such, students should come prepared to hear new views and see new research on these topics. This course is recommended by the instructor and Ron Smith & Associates, Inc. for agencies dealing with issues related to meeting accreditation requirements, specifically those involving documenting and understanding the ACE-V process, or finding new ways to address criticisms in the 2009 NAS report on forensic sciences. 

Instructor Photo
Glenn Langenburg
Ph.D., CLPE, F-ABC

Course Logistics

When:

October 19, 2026 - October 23, 2026

Where:

North Las Vegas City Hall

2250 Las Vegas Boulevard North

5th Floor

North Las Vegas, NV 89030

Hours:

40

Tuition:

$650.00

Local Contact

North Las Vegas Police Department

Theresa Graziano, Criminalistics Division Supervisor

702-633-1880

grazianot@cityofnorthlasvegas.com

Prerequisites

The topics in this course are fairly advanced. It is aimed at examiners who have regularly handled fingerprint casework for at least 2 years, or 10-print examiners with at least 8 years. While students with less experience may take the course, they should at least be familiar with the basics of ridgeology, SWGFAST-recommended procedures, general AFIS use, and basic decision-making in fingerprint cases.

Students will be expected to participate in daily class discussions, including, but not limited to, offering opinions, answering questions directed at them, expressing a position on an issue, and making comparisons in class. Students are in a training environment and, as such, will be given ample opportunity to explore various complex cases and scenarios as a group, in a non-threatening, safe environment.

Should be Able to Perform

  • At the completion of the course, students will be able to: - Appreciate a scientific approach to ACE-V and Ridgeology
  • Understand the concepts of laws versus theory, hypothesis testing, and the scientific method 
  • Understand the most important aspects of all the phases of ACE-V
  • Utilize the GYRO annotation system
  • Recognize and correctly identify various distortions
  • Understand mechanisms that produce various distortions, including blood matrices
  • Perform a complete analysis (and document the process)
  • Know the basis for searching “smart, not hard” finger and palm clues
  • Understand how tolerance and uncertainty affect the comparison of ridge features
  • Improve his/her ability to articulate reasoning and support for conclusions
  • Understand how accuracy, precision, repeatability, and reproducibility apply to ACE-V
  • Understand the importance of “pattern force” and specificity
  • Understand how hypothesis testing is essential at the heart of all fingerprint conclusions
  • Understand the importance of AFIS-generated suspects
  • Understand how likelihood ratios relate to fingerprint examinations 
  • Appreciate the value that probability models may provide during fingerprint examinations
  • Know the (currently accepted) best practices for verification procedures
  • Define various types of cognitive biases
  • Understand what practices may reduce the potential of bias
  • Know the current research regarding bias and fingerprint examinations
  • Have more complete information regarding error rates and how to address them in court
  • Know the current research regarding errors and testing the ACE-V process
  • Know various ways to document latent print evidence and the basis for conclusions
  • Know current recommendations or standards for best practices for documentation
  • Know the major critical themes, current issues (e.g.. NAS related, legal challenges, etc.)

Course Schedule

DurationDay 1Day 2Day 3Day 4Day 5
1 HourIntroductions / Course OverviewIll. DistortionV. Evaluation PhaseExercise 6, cont. (as needed)IX. Bias
1 HourI. Scientific approach to ACE-V and Ridgeology
1 HourExercise 3 DistortionVI. Close Non-matchesX. Error Rates
1 HourFinish Analysis (Forgery/Fabrication Issues)
1 HourLunchLunchLunchLunchLunch
1 HourII. Analysis PhaseFinish Analysis (Bloody Impressions)Exercise 5 Decision MakingVII. Demystifying ProbabilitiesXI. Documentation
1 HourIV. Comparison PhaseExercise 6 Complex CasesXII. Current Issues (NAS etc.)
1 HourExercise 1 GYROVIII. Verification PhaseXIII. Case Studies
1 HourExercise 2 Analysis WorksheetExercise 4 Searching CluesWrap-up

Must Bring to Class

  • Students must bring an open mind. We will cover a wide array of topics that can be fairly controversial.
  • Students may wish to bring a laptop computer with Photoshop or other imaging software. 
  • All exercises are presented to the students in two formats:
    • 1) Traditional photographs, enlarged and covered with acetate sheets for annotations.
    • 2) A digital format (1000 dpi or greater) .TIFF format. 
  • The student may elect to use traditional photographs or digital photographs to complete the exercises. 
  • The instructor does not teach how to use Photoshop, annotate, enhance, or otherwise process digital images. 
  • Students should be familiar with their laptops and the software they choose to use. It is a preference style only.
  • There are no 1:1 searching exercises in this course; therefore, a loupe magnifier, lamp, etc., are NOT needed.
  • Dress is business casual as the course will be conducted in a professional environment and facility.

Training Certification and Recertification Credits

Advanced ACE-V Applications for Fingerprint Examiners may qualify for specific continuing education training credits. Use's summary below as a quick reference for organization and discipline specific applicability. The approving organization has final authority and their website should be referenced before submitting any request for training credits.

International Association for Identification (I.A.I.) Latent Print Certification Board Approved for 40 Certification Credits

International Association for Identification (I.A.I.) Latent Print Certification Board Approved for 40 Re-Certification Credits

Helpful Lodging Information

Although we cannot endorse any particular hotel property, we have confirmed that the following lodging options are within a reasonable commuting distance to the training site.

Springhill Suites - North Las Vegas

2910 E. Craig Rd.

North Las Vegas NV 89030

Downtown Grand Hotel - Las Vegas

206 N 3rd St.

Las Vegas NV 89101

(702) 719-5100