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What is forensic science? What are some of the major analysis areas
in forensic science? http://www.youtube.com/watch?v
=_58XsN6XJWQ
Forensics
Developed by Carl Landsteiner in early 20th century
Used for identification
Blood Typing and Blood Analysis
When two objects come in contact with each other, a cross transfer of materials occurs
Believed that dust particle analysis could be used to solve any crime
His work caused the formation of crime labs to appear
Locard Exchange Principle
Chemical and physical tests
Identification of drugs, glass, paint, explosives, foreign powders, soil, and minerals
Analysis of trace evidence
http://www.youtube.com/watch?v=qlmZZoLGMpM&p=8865271F305ED39A&playnext=1&index=3
Crime Lab Departments or Services—Physical Science Unit
DNA profiling Body fluid analysis Hair and fiber
analysis Wood and plant
analysis Insect larvae
analysis http://
www.youtube.com/watch?v=RCI9YhstHK4
Biology Unit
Examine firarms, bullets, shotgun shells, etc.
Garment analysis to see if gun has been fired
Mark identification by other tools and weapons
http://www.youtube.com/watch?v=WGHCTMTh7TE
Firearms Unit
Analyses handwriting, types of printing
Examines impressions, paper, and ink types
http://www.youtube.com/watch?v=u1lrid2nobM
Document Examination Unit
Takes photographic evidence at crime scene
Infrared and ultraviolet imaging
http://www.youtube.com/watch?v=0MLY3_6O15o
Photography Unit
Examines body fluids and organs to look for drug presence
http://www.youtube.com/watch?v=cp09mWY8Buk
Toxicology Unit
Examines evidence for latent fingerprints
http://www.youtube.com/watch?v=HsRUY6twUX4
Latent Fingerprint Unit
Used more in questioning than forensic analysis
http://www.youtube.com/watch?v=GLL3wtgBiFA
Polygraph Unit
Connects recordings to person with voice
http://www.youtube.com/watch?v=_C8RulUFEcM
Voiceprint Analysis Unit
Collects and preserves physical evidence at the crime scene
http://www.youtube.com/watch?v=f51TjOT7qTs&feature=related
Crime Scene Investigation Unit
Forensic Pathology Forensic Anthropology Forensic Entomology http://
www.youtube.com/watch?v=dntO3YANo18
Forensic Psychiatry Forensic Odontology http://
www.youtube.com/watch?v=DKeEbVLZNWc
Forensic Engineering Forensic Digital Analysis
Other Forensic Services that are Available in Forensics