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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
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)
slide19

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
slide21

Traps are sampled at set times in morning and afternoon.

  • Temperature, rainfall and other climatic variables are measured.
  • 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