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YouTube

Latent Print Development - Blood Impressions and Reagents

Forensic 365 via YouTube

Overview

Explore the techniques and reagents used for developing bloody fingerprints in this 31-minute video lecture by Andrew Reitnauer from Forensic 365. Delve into the importance of fingerprints as physical evidence in criminal investigations and learn about various blood reagents such as Amido Black, Leukocrystal Violet, and Hungarian Red. Discover how to process different surfaces, including dark ones, and understand the application of blood fixatives. Examine fluorescence techniques using Floxyb and compare various methods for developing latent prints. Gain insights into crime scene development, horizontal surface processing, and gel lifting techniques. Enhance your forensic knowledge with practical examples and comparative considerations for effective bloody fingerprint analysis.

Syllabus

Intro
Blood Reagents
Amido Black Leukocrystal Violet
Hungarian Red
Dark surfaces
Amido Black
Acid Yellow 7
Blood Fixative
Application
Rinse
Fluorescence
Floxyb
Floxyb Rinse
Example
Comparison
Fluorescent Impression
Conclusion
Gel Lift
Comparative Considerations
Crime Scene Development
Horizontal Surface Processing

Taught by

Forensic 365

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