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Social and Behavioral Sciences Commons

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Legal Studies

Master of Science in Forensic Science Directed Research Projects

MBD

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Full-Text Articles in Social and Behavioral Sciences

A Comparison Of Cyanoacrylate Fuming Followed By Mbd Dye Staining And Gun Bluing For Development Of Latent Fingerprints On Cartridge Cases, Jamie Zaleta Jan 2022

A Comparison Of Cyanoacrylate Fuming Followed By Mbd Dye Staining And Gun Bluing For Development Of Latent Fingerprints On Cartridge Cases, Jamie Zaleta

Master of Science in Forensic Science Directed Research Projects

The development of latent fingerprints on cartridge cases is a desirable ability for the forensic laboratory, offering the potential to provide probative evidence as to the handler of whole ammunition or fired cartridge cases discovered at the crime scene. Previous studies have focused primarily on intentionally-laid fingerprints on cartridge case surfaces, which do not represent samples likely to come across the desk of a forensic analyst. This study focuses on naturally-handled ammunition and the success rates associated with latent fingerprints produced in a more realistic set of circumstances. A comparison was performed of two fingerprint development methods—gun bluing and MBD …


The Impact Of Latent Print Processing On Firing Pin And Breechface Impressions During Firearm Examination, Brittany B. Harrington Jan 2021

The Impact Of Latent Print Processing On Firing Pin And Breechface Impressions During Firearm Examination, Brittany B. Harrington

Master of Science in Forensic Science Directed Research Projects

Latent prints can be a valuable source of forensic evidence when solving a crime. They can verify if a person was at a specific scene, identify unknown individuals to connect them to a scene, and help to corroborate eyewitness accounts. Latent prints, however, are not always visible until they have undergone enhancement or visualization techniques. When fired cartridge cases are suspected of containing latent prints, they are brought in for latent print processing before any firearm analysis is performed. As a result, these cartridges are often coated in various residues or dyes when they arrive for firearm examination. In response, …