1. Module 10: Investigative Principles Course Facilitator: Professor Leon Strigotte Academic Criminal Justice Course

2. What is Forensics? Application of science to the purpose of law. Locard’s Principle of Exchange + Scientific Consistencies = TRUTH Investigative Principles

3. Forensic Disicplines  Pathology  Anthropology  Entomology  Psychiatry  Odontology  Engineering  Botany  Toxicology  Jurisprudence  Criminalistics (Generalists)  Medical  Digital Investigative Principles

4. Laboratory Sections  Digital Evidence  Drug Chemistry & Toxicology  Firearms & Toolmarks  Forensic Biology/DNA  Latent Evidence  Trace Evidence  Questioned Documents  Digital Forensics Investigative Principles

5. Scientists & Professional Organizations  The International Association for Identification  American Academy of Forensic Sciences  Association of Property & Evidence Investigative Principles

6. Evidence 1.Secure the scene 2.Identify Evidence 3.Collect & Preserve 4.Document! Investigative Principles

7. Major Roles of Evidence  Identification  Ex: Questioned Documents  Comparison  Ex: Fingerprints  Reconstruction  Ex: Bullet Trajectory Investigative Principles

8. Crime Scene “Layers”

9. Crime Scenes  Safety of personnel is paramount  Required Elements of Property Control:  Written Directives  Logging  Receipts  Packaging  Release  Checks & Balances  Staff: Sworn or Civilian? Investigative Principles

10. Chain of Custody Every Scene, Every time!

11. EVIDENCE Investigative Principles Players & Roles

12. Evidentiary Standards  Daubert Standards (1993)  Relevant & Reliable  Fits the case & uses Scientific Method  Khumo Tire (1999)  Extends Daubert to all types of testimony. Judges use industry standards to determine reliability. Investigative Principles

13. Crime as Entertainment Investigative Principles

14. Crime Scene Exercise