Forensics ch 3 notes

Chapter 3 Notes The Crime Scene Mrs. Morgan & Mrs. Wheeler

Forensic Investigations ,[object Object],[object Object],[object Object],[object Object],[object Object],Include some or all of these seven major activities:

Forensic Investigations 2. Preservation through the collection and proper packaging of evidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unlike CSI, the people who collect the evidence are not the same people who work in the lab.

Forensic Investigations 4. Comparison of class characteristics measured against those of known standards or controls; if all measurements are equal, then the two samples may be considered to have come from the same source or origin 5. Individualization in demonstrating that the sample is unique, even among members of the same class Comparison microscope for comparing specimens

Forensic Investigations 6. Interpretation - giving meaning to all the information ,[object Object],[object Object],[object Object],[object Object],[object Object]

Corpus Delicti “Body of the Crime” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Crime Scene Team ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A group of professionals trained in a variety of special disciplines

Processing a Crime Scene ,[object Object],[object Object],[object Object],[object Object],[object Object]

First Officer on the Scene A Assess the crime scene and assist the injured D Detain the witness A Arrest the perpetrator P Protect the crime scene T Take notes

Crime Scene Survey ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Documenting the Scene ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Documenting the Scene ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Documenting the Scene ,[object Object],[object Object],[object Object],[object Object],[object Object]

Crime Scene Sketch Date: August 14, 2005 Criminalist: Ann Wilson Time: 11:35 am Location: 4358 Rockledge Dr. , St. Louis, Mo. N 5 ft

Methods of Searching a Crime Scene ,[object Object],[object Object],[object Object],[object Object]

Collecting & Packaging Evidence One person work as the evidence collector to ensure that the evidence is collected, packaged, marked, sealed, and preserved in a consistent manner, maintaining the chain of custody. ,[object Object],[object Object],[object Object]

Collecting & Packaging Evidence ,[object Object],[object Object],[object Object]

Types of Packaging ,[object Object],[object Object],[object Object],[object Object]

Chain of Custody ,[object Object],[object Object],[object Object],[object Object]

The Body ,[object Object],[object Object]

Forensics ch 3 notes

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Forensics ch 3 notes