Forensics Falconer Central School Ellicott Police Department Chautauqua County Sheriff Department Falconer Central School Ellicott Police Department Chautauqua County Sheriff Department

Forensics  Using Forensic Evidence to Solve Crimes  Forensics involves the analysis of clue to reconstruct past events  Using Forensic Evidence to Solve Crimes  Forensics involves the analysis of clue to reconstruct past events

How Crime Scene Investigation Works  Scene Recognition  Scene Documentation  Finding Evidence  Evidence Collection  Analyzing the Evidence  Scene Recognition  Scene Documentation  Finding Evidence  Evidence Collection  Analyzing the Evidence

Scene Recognition  Goal- Gain an understanding of a particular investigation  Develop a systematic approach to finding and collecting evidence  Only using eyes, ears, nose, and paper and pen  Goal- Gain an understanding of a particular investigation  Develop a systematic approach to finding and collecting evidence  Only using eyes, ears, nose, and paper and pen

Scene Documentation  Create a visual record  Occurs during second walk through of scene  CSI will use cameras, sketchpad, graph paper, pens and pencils, notepads and camcorder  Create a visual record  Occurs during second walk through of scene  CSI will use cameras, sketchpad, graph paper, pens and pencils, notepads and camcorder

Find the Evidence  Goal is to find, collect and preserve, all physical evidence that will assist in the court process

Types of Evidence  Trace Evidence  gunshot or paint residue, broken glass, drugs  Impressions  Fingerprints, footwear, tool marks  Hair and Fibers  Weapons and Firearms  Question Documents  Diaries, notes, phonebooks  Trace Evidence  gunshot or paint residue, broken glass, drugs  Impressions  Fingerprints, footwear, tool marks  Hair and Fibers  Weapons and Firearms  Question Documents  Diaries, notes, phonebooks

Evidence Collection  The CSI has several main goals  Reconstruct the Crime  Identify the person who did it  Preserve the evidence for analysis  Collect the evidence in a way that will stand up in Court  The CSI has several main goals  Reconstruct the Crime  Identify the person who did it  Preserve the evidence for analysis  Collect the evidence in a way that will stand up in Court

Analyzing the Evidence  The use of Forensic Labs  Analyze evidence collection  Examples  Fingerprints, footwear and tire impressions  Compare soil samples  Recover computer evidence  Test firearms, compare bullets  DNA  Handwriting Comparisons  The use of Forensic Labs  Analyze evidence collection  Examples  Fingerprints, footwear and tire impressions  Compare soil samples  Recover computer evidence  Test firearms, compare bullets  DNA  Handwriting Comparisons