Download presentation
Presentation is loading. Please wait.
Published byAllan Peters Modified over 9 years ago
1
F ORENSIC S CIENCE Introduction
2
D O N OW : What does the term Forensics Stand for? What does the term criminalistics stand for? What branches of science does criminalistics encompass?
3
W HAT IS F ORENSIC S CIENCE ? Basic Definition: Science in the service of the law “ Forensic ” = “ having to do with the law ” Forensic Science ≠ Forensics ( “ debating ” ) Criminalists: analyze, compare, identify, and interpret physical evidence
5
F ORENSIC S CIENTIST Job Description : Process and document crime scenes Collect and preserve evidence Analyze and compare evidence in laboratory Reconstruction of data (form the “ best theory ” of events in the case)
6
F ORENSIC S CIENTIST Skills Needed : Good observation skills – use 5 senses Analytical skills – ability to identify problem, organize info, draw conclusions Deductive reasoning – using logical steps to draw a conclusion based on facts or evidence
7
E XAMPLES OF P HYSICAL E VIDENCE Imprints Broken glass Hairs Fibers Paint chips Documents Fingerprints Other prints (shoe, tire, etc.) Body/corpse Toolmarks/firearms Bullets/casings DNA Blood Semen Drugs, chemicals Soil
8
B ASIC S ERVICES P ROVIDED BY C RIME L ABORATORIES Physical Science Unit Biology Unit Firearms Unit Photography Unit bsapp.com
9
P HYSICAL S CIENCE U NIT Chemistry (drugs, explosives) Physics (glass, scratches) Geology (soil, rocks) bsapp.com
10
B IOLOGY U NIT Bloodstains Body fluids Hair and fiber Botanical materials (wood and plants). bsapp.com
11
F IREARMS U NIT Firearms Bullets Cartridge & Shells Ammunition Garments bsapp.com
12
W HAT ARE SOME OF THE SPECIALTIES OF F ORENSIC S CIENCE ?
13
F ORENSIC S CIENCE S PECIALTIES Forensic Pathology: experts (medical doctors) who determine the cause and manner of death Forensic Entomology: experts who study insects to determine time of death and location of a corpse Forensic Odontology: forensic dentists – identify human remains and analyze bite marks
14
F ORENSIC S CIENCE S PECIALTIES Forensic Anthropology: examine human skeletal remains Forensic Toxicology: study the effects of poisons, toxins and drugs in the body Forensic Psychiatry and Psychology: evaluate offenders, also profiling criminal cases
15
F ORENSIC S CIENCE S PECIALTIES Forensic Engineering: investigate transportation accidents, materials failure cases, determine cause of building/structure collapses Forensic Computer Science: investigate use of technology and electronic records
16
W HAT IS THE MAIN ROLE OF A CRIMINALIST ?
17
C OLLECT AND A NALYZE P HYSICAL E VIDENCE
18
D EMANDS & C ONSTRAINTS When and where do we collect? How do we collect? For what purpose?
19
DECODING YOUR EMAIL PERSONALITY Introduction: This article looks at a law suit that involves the fabrications of emails and the forensics behind discovering if those emails are real of fake. Activity: Step 1: Read and annotate the article SILENTLY. You have 10 min to do so. Step 2: As a class lets share out what we found within the article and our impressions on this case. Step 3: Create two questions based on the article and answer the questions. Be specific in your answers, including the paragraph in the article where you find the answer.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.