Introducing
Prezi AI.
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
Loading content…
Loading…
A Study in Scarlet: Blood Pattern Analysis
11
Transcript
History
- Hans Gross "System Der Kriminalistik" (1883)
- Sherlock Holmes "A Study in Scarlet" (1887)
- Dr. Eduard Piotrowski, Institute for forensic Medicine, Poland (1895)
- Hardly used for 50 years!
Fundamental Theory
- Based on physics
- Surface tension
- Gravity
- Importance of consistent laws
Categories of Impact Spatter
- Low energy
- Medium energy
- High energy
Other Types of Spatter
- Arterial
- Direct transfer
- Castoff
Identifying Origin
Other Applications
- Tracking/Diagramming
- Identifying weapon
Training
- Criminal justice/forensic science degree
- Workshops/continuing education
- Experience
Technology
- Research projects
- Computer programs
- Diagramming
- Stringing
- Indicator sprays
Limitations
- Contamination
- Amount of blood
- Mind of the investigator
Real Life Cases
- Velez Case
- Woburn, Massachussets
- Two stabbing victims
- Blood stain on thigh of jeans
- Idelfonso Velez convicted of double homocide, sentenced to two life terms
- Hale Case
- Kawartha Lakes, Ontario, Canada
- Jack Hale on trial for the murder of estranged wife, Yvonne Leroux
- Admitted to accidental shooting
- BPA used to diagram crime scene
- Hale conviced of first-degree murder, life sentence
A Study in Scarlet: Blood Pattern Analysis
Choose a template
Learn more about creating dynamic, engaging presentations with Prezi