This lecture on latent print development includes types of prints; deposition factors; surface types; process selection; evidence handling; packaging; and the composition of latent print residue.
This lecture on the preservation of friction ridges includes preservation through photography and the collection of fingerprints.
This lecture on documentation of fingerprints includes general crime scene documentation; collecting Items of evidence; latent print development and recovery on scene; and marking lifts.
Recovered cartridge casings can be dipped into diluted or undiluted gun blueing to cause a chemical reaction between the blueing and the fingerprint residue on the casing.
Learn how to develop latent fingerprints using black fingerprint powder.
Learn how to develop fingerprints with cyanoacrylate (super glue).
Learn how to develop latent fingerprints using magnetic fingerprint powder.
Learn how to use Mikrosil to lift black powdered latent fingerprints from irregular surfaces.
This video covers the three basic fingerprint patterns (arches, loops and whorls) as well as their subcategories. It includes classification terminology and nomenclature of each pattern.
Learn how to classify the fingerprints on a ten print card using the Henry Classification System.
Learn how to classify the fingerprints on a ten print card using the NCIC Classification System.
Learn how to compare fingerprints.
NOTE: It is recommended you view Fingerprint Classification Part 1 before viewing this video to learn the general types of fingerprint patterns and terminology that is used in this video.
Learn how to compare fingerprints.
Learn how to document the examination of friction ridge impressions.