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Advanced Latent Print Techniques

Course Description:  This course provides instructional training in the advanced techniques in proper sequencing and development of latent prints. Students will process a multitude of non-traditional items, in non-traditional elements.  They will also be able to utilize advanced chemical processes, and the utilization of an Alternate Light Source as development techniques.  Lecture with PowerPoint presentations, classroom demonstrations, and discussions as well as student practicum exercises will be utilized.

This course is instructed by members of the Pennsylvania State Police, Bureau of Forensics Services.

Instructional Hours:  3 Days/16 hours

Instructional Objectives: Upon successful completion of the course the student will have acquired the skills and training through practical exercise in advanced latent print processing and development techniques.  They will also learn safety aspects attributed to the advanced techniques utilized.

After completion, the student will be able to:

  •  What are Friction Skin Ridges.
  •  Multiple mediums of transfer.
  •  Different types of substrates and techniques to develop Latent Prints.
  •  Non-porous substrates:  CA Fuming, Powders and Alternate Light Source.
  •  Porous substrates: Iodine and Ninhydrin.
  •  Bloody Prints: Amido Black and Leucocrystal Violet.
  •  Adhesive substrates: Wet Wop and Gentian Violet.
  •  Wet substrates: Molybdenum Disulfide (Small Particle Reagent and Wet Print).
  • Dirt/Soil Impressions: Potassium Thiocyanate.
  •  Greasy/Oily substrates: Suden Black.

Requirement: Student must bring a small flashlight. Student must wear safety goggles, provided at Laboratory, at all times while in the laboratory.

Course Completion Requirements:  Attendance and successful completion of a knowledge check.

Audience:  PSP Enlisted, MP

MPOETC CLEE Hours:  3 - CLEE ID#: CLEE00559

Registration: Please register for the classes below using this form

Locations: For a list of all training centers and directions, please visit the Training Center Page.


Not Offered at This TimeCpl. Joe Glasmire, jglasmire@pa.govNo

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