Advanced Latent Ridgeology Class

Advanced Latent Ridgeology Class


Availability: Out of stock

COVID-19 Safety while at Sirche
We're commited to providing a safe learning environment for students during these challenging times. To ensure your safety, Sirchie will conduct daily COVID screenings on each class participant, provide masks & hand sanitizer, and practice safe distancing.

Minimum Requirements:  Each student must have attended and completed a Basic Latent Print Comparison Course to be accepted in the Advanced Ridgeology Course. 


  • You are a latent print AFIS operator desiring to improve your latent print comparison skills.
  • You are a latent print examiner seeking advanced training in latent print comparison and identification.
  • You are an experienced latent print examiner preparing to take the International Association for Identification Certified Latent Print Examination.
  • You would like to receive training with case work quality latent prints for a real-life latent comparison experience.
Combining lecture and latent print practical exercises, emphasis is placed on comparison techniques for comparing difficult and complex latent finger and palm prints. Exercises are designed to provide the student with real life case work training experience.

This course has been approved for Certification and Recertification Training credit by the IAI

IAI Latent Print Certification Credit: 36 hours


  • The ACE-V methodology of fingerprint comparison and identification & its relationship to scientific method
  • Level 1, level 2, and level 3 detail in latent print comparisons
  • Latent print orientation and comparison search clues
  • Fingerprint pattern interpretation and their uses in the comparison of latent fingerprints
  • Palm print orientation and palm print search clues in latent print comparisons
  • The analysis of distorted and complex latent prints
  • Daubert and post Brandon Mayfield issues

Johnny Leonard

Your Instructor

Johnny Leonard is a retired Deputy Director of the City‐County Bureau of Identification in Raleigh, NC and is both an I.A.I. Certified Latent Print Examiner and Footwear Examiner. He has also worked for the FBI and the NC State Bureau of Investigation. He has been a latent fingerprint examiner for the past 38 years and has over 49 years of fingerprint experience. During the past 42 years he has instructed over 200 classes and trained more than 2500 students in the science of fingerprints.