1. Study this crime scene

2. 1. How many windows are there? 2. How many sources of electrical light are there? 3. What 3 items are on the night stand/end table next to the bed? 4. Which window is open? 5. What color is the pair of pants that is hanging from the frame of the closet? Two Lamp, Clock, and Remote Left window There isn’t a pair of pants on the closet frame. It’s a dress.

3. Study this crime scene

4. Forensic Science

5. The Crime Lab J. Edgar Hoover: 1932—FBI forensic lab was created. The ever increasing number of crime laboratories is partly due to: 1. Supreme Court decisions in the 1960s responsible for police placing greater emphasis on scientifically evaluated evidence. 2. Crime laboratories inundated with drug specimens due to accelerated drug abuse. 3. The advent of DNA profiling.

6. Units: Physical Science Biology Fire Arms Document Examination Photography Optional Services: Units: Toxicology Latent Fingerprint Polygraph Voiceprint Crime Scene Investigation Basic Services of a Full-Service Crime Laboratory

7. Other Special Forensic Science Services: Units: Forensic Psychiatry Forensic Odontology Forensic Engineering Forensic Computer & Digital Analysis Chapter 2 (pgs58-61) *Forensic Pathology *Forensic Anthropology *Forensic Entomology

8. CRIME LAB UNIT GROUP ACTIVITY: Each group will be responsible for completing and illustration of each Unit assigned. Please include the following: 1.Name of the Unit 2.Picture that illustrates the Unit 3.Brief description of what the Unit is responsible for 4. Present the completed Unit info to the class

9. BASIC SERVICES PROVIDED BY CRIME LABS: PHYSICAL SCIENCE UNIT Applies principles and techniques of chemistry, physics, and geology to ID and compare crime scene evidence Test drugs, glass, paint, explosives, and soil

10. BIOLOGY UNIT Staffed with Biologists and Biochemists who identify and perform DNA profiling on dried bloodstains and other body fluids Compare hair, fibers, wood, plants, etc

11. FIREARMS UNIT Examines firearms, discharged bullets, cartridge cases, shotgun shells, and ammunition of all types Garments and other object are tested for residues

12. DOCUMENTATION EXAMINATION UNIT Study the handwriting and typewriting on questioned documents to ascertain authenticity and/or source Analyze paper and ink, and even writing impressions on blank paper

13. PHOTOGRAPHY UNIT Examines and records physical evidence using digital imaging, infrared, ultraviolet, and X-ray photography to make invisible info visible Also produces photo exhibits for courtroom

14. OPTIONAL SERVICES: TOXICOLOGY Examines bodily fluids and organs to determine the presence or absence of drugs and poisons

15. LATENT FINGERPRINT UNIT Processes and examines evidence for latent fingerprints

16. POLYGRAPH UNIT Also known as the “lie detector”, is an important tool of criminal investigators Handled by people trained in the techniques of criminal investigation and interrogation

17. VOICEPRINT ANALYSIS UNIT Ties the voice to a particular suspect in cases involving telephone threats or tape recorded messages Use the sound spectrograph- transforms speech into a voice print

18. CRIME SCENE INVESTIGATION UNIT Dispatches specially trained civilian/ police to the crime scene to collect and preserve physical evidence that will be later processed in a crime lab

19. OTHER SPECIAL SERVICES: FORENSIC PSYCHIATRY Examines the relationship between human behavior and legal proceedings Determine if defendants are competent

20. FORENSIC ODONTOLOGY Help identify victims based on dental evidence when the body is left in an unrecognizable state

21. FORENSIC ENGINEERING Concerned with failure analysis, accident reconstruction, and causes and origins of fires or explosions

22. FORENSIC COMPUTER & DIGITAL ANALYSIS Involves identifying, collecting, preserving, and examining information from computers and other digital services (ex. Cell phones)

23. FORENSIC PATHOLOGY Medical examiners or coroners that are involved in the study of medicine as it applies to criminal law

24. FORENSIC ANTHROPOLOGY Concerned primarily with the identification and examination of human skeletal remains

25. FORENSIC ENTOMOLOGY Examines insects and their relation to a crime in order to estimate time of death when circumstances about the crime are unknown Insects-blowflies, maggots/fly larvae