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Recreating Death’s Half Acre: Forensic Science and Tech Farm. Dr. David K. Mills Louisiana Tech University. Forensic Science at Louisiana Tech University. A Brief History Coursework Research Activities Future Directions. Forensic Science. What is it? Components- Applied Science

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Recreating death s half acre forensic science and tech farm
Recreating Death’s Half Acre:Forensic Science and Tech Farm

Dr. David K. MillsLouisiana Tech University


Forensic science at louisiana tech university
Forensic Science at Louisiana Tech University

  • A Brief History

  • Coursework

  • Research Activities

  • Future Directions


Forensic science

Forensic Science

What is it?

Components-

Applied Science

Basic Science

Legal/Courts & Testimony

Facilities


Scope of forensic science

Scope of Forensic Science

Criminalistics

Specialities

Medicine

Anthropology

Odontology

Entomology

Others


History of forensic science

History of Forensic Science

Chinese medicine-6th Century

1839-MJB Orfila, toxicology

Late 1800s-Alexandre Lacassagne, ballistics and bloodstain patterns

1910-Edmund Locard, exchange principle

1924-August Vollmer, LAPD crime lab

1932-FBI Laboratory, fingerprints



Forensic science is

Forensic Science is

  • CS Investigators

  • Physical Evidence

  • Forensic Science

  • Forensic Taphonomy

  • Forensic Archeology


Forensic anthropology at louisiana tech university

Forensic Anthropology at Louisiana Tech University

Integrating Field Investigations with Laboratory Analysis


Coursework in forensic science
Coursework in Forensic Science

  • Forensic Anthropology

  • Biological Anthropology

  • Research in Forensic Anthropology

  • Readings in Forensic Science

  • Readings in Bioanthropology


Human osteology lab
Human Osteology Lab

Objectives

  • Intense instruction in human osteobiology

  • Methods used in human identification

  • Aging

  • Sexing

  • Population Affinity

  • Diet

  • Pathology

  • Trauma


Investigative field techniques

Investigative Field Techniques

  • Simulated Crime Scenes

  • Pics as model corpses

  • Forensic Taphonomy

  • Forensic Archeology

  • Moot Court


Crime scene excavation
Crime Scene Excavation

  • Site survey and discovery

  • Crime scene preservation

  • Site formation processes

  • Site excavation

  • Forensic archeological methods

  • Importance of context and the

  • chain of evidence

  • The art of archeology


Recovery and analysis
Recovery and Analysis

  • Recovery of material artifacts

  • Data recording

  • Forensic photography

  • Preservation of skeletal remains

  • Preliminary field analysis

  • Curation and transport


Investigative field techniques forensic archeology

Investigative Field TechniquesForensic Archeology




Mock inquest1
Mock Inquest

  • Each forensic team submits a written forensic case report.

  • Students portray expert witnesses and defend their conclusions.

  • Afterwards, crime scenario is presented and compared to forensic team findings.


Model human corpse
Model Human Corpse

  • Hormel pygmy pig is used as a model human corpse

  • Document arthropod succession is used to determine post-mortem death interval

  • Patterns of decomposition and disarticulation are documented

  • The model corpse is used for other research purposes (e.g. studies in taphonomy)


Forensic Entomology

  • Students prepare experimental area in environment A

  • Two entomology groups sample, monitor and analyze arthropod and tissue samples

  • Model corpse is placed in secured cage surrounded by dead fall traps

  • Sampling will begin when first blow fly lands


  • Arthropods are sorted and counted.

  • Arthropod taxonomy is identified, and succession is determined.

  • Tissues are fixed and processed for paraffin embedding and stained.

  • .


Research activities in forensic taphonomy
Research Activities inForensic Taphonomy

  • Bioturbation

  • Cut mark analysis

  • Differentiating bone trauma from geofact

  • Cell and tissue decay

  • Site formation processes

  • Chlorophyll concentration as PMI indicator

  • Hydraulic transport and differential preservation




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