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Introduction to forensic science- CSI
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And introduction into crime scene investigation
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Crime scene investigation-week 2Responsibility’s of a crime scene coordinator (SOCO)
Numerous responsibilities
Confirm a crime has been committed
Not always easy to do;
Body found
Window broken
A scene assessment should provide evidence to support suspicion
Preservation the scene;
Spend time assessing and recording the scene
Will delay examination
But will ensure that delicate or vulnerable evidence is safeguarded
Identify key evidence areas;
Usually areas of the scene where an offender has been
Point of entry and point of entry-special attention
Identify key evidence types;
locate evidence that may identify offenders
All evidence will be treated equally during the initial phases
Record all evidence;
Photographs
Videos
3D scanners
Sketches
Notes
Recover all evidence;
Evidence will be recovered
Is there a legitimate reason for it being there
Elimination process
Complete all documentation to demonstrate chain of custody and integrity
Package and store evidence
Protects items of evidence
Minimises degradation
Tamper is evident
Brief investigating officer
Inform of potential evidence types
Verbal
Electronic
Document form
Prepare statements of evidence
Complete and sign a witness statement
May be long and complex
Important to make notes whilst on the scene
Present evidence before court
God evidence collection/recording processes should make this process less stressful
Demonstrate continuity and integrity
Locard’s principle (exchange)
One way transfer-useful
Suspect-scene
Two way transfer-conclusive
Scene-suspect, suspect-scene
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