Crime Scene Management Flashcards
What is a CSI
Crime Scene Investigator
What are the main responsibilities of a CSI?
- Confirm that a crime has been committed.
- Preservation of the scene.
- Identify Key evidence areas.
- Record ALL of the evidence.
- Recover ALL evidence.
- Package and store evidence
- Brief the investigating Officer.
- Prepare statements of evidence.
- Present evidence before court.
What needs to be done before entering a crime scene?
- Health and Safety check
- Physical environment has to be assessed. (weather etc.)
- Chemical hazards (gases etc.)
- Biological hazards
- Risk assessment.
What does the term Evidence Recovery refer to?
The process where evidence at a crime scene is recovered.
What kind of evidence is collected?
- samples using consumables
- DNA
- Footwear
Who collects the evidence?
CSI’s
specialsts
Who deals with the evidence?
Forensic Scientists and specialists.
When can contamination occur?
- During recovery.
- Packaging of evidence.
- Submission of evidence.
- Transferring of evidence to labs.
- Storage of evidence.
What is Primary Transfer?
contamination by transfer- Directly (saliva, dandruff)
What is secondary Transfer?
contamination by transfer- Indirectly
What is the anti-contamination strategy?
A strategy to try and reduce the chances of contamination.
One of the components of the forensic strategy.
What has to happen prior to scene attendance?
- Environmental factors
- Staff deployment
- Cordons and scene protection
- Scene assessment
- Contamination risks
- Use of dogs
- Handovers
- Release of scene
What is Cognitive Bias?
Refers to a pattern of deviation from norm or rationally in judgement, whereby inferences about other people and situations may be drawn in an illogical fashion.
Individuals create their own subjective social reality from their perception of the input.
What are consumables?
consumables are test tubes, viles, swabs ect.
What is non disposable equipment ?
Fingerprint powders and brushes
Imaging equipment
Lighting equipment
Stepping plates
