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Flashcards in Crime scene examination Deck (10):
1

What is the objectives of a crime scene examination

• Defences (exclude possible)

• Establish if offence has been committed

• Corroborate or contest witness and victim accounts

• Identify the Suspect and establish his contact with the scene or victim

• Establish offence key elements and provide facts for basis of enquiry

• Verify admissions and confessions

• Exonerate the innocent

• Identify people associated with the offence

• Corroborate or exclude the other evidence relating to the offence or incident

2

What is the responsibilities of OC scene/Crime scene manager

• Control, freeze, preserve the scene and ensuring it is safe

• Brief attending staff

• Uplifting, inspecting and ensuring delivery of labelled exhibit to exhibit recorder

• Establish a common approach path from police cordon to scene focal point

• Proving relevant exhibits in court

• Planning a strategy for forensic examination

• Coordinating and overseeing the crime scene examination

• Providing a communication link between the scene and the oc investigation

• Conducting a reconnaissance to gain an overall picture of the scene and testing possible reconstructions

• Ensure the scene photographed, fingerprinted and examined by specialists before it is searched

3

Scene Examination Process

1. Reconnaissance
2. Formulate strategy
3. Actions taken prior
4. Conduct crime scene examination
5. Actions taken after

4

Definition reconnaissance

A reconnaissance is the preliminary or survey made to get an overall picture of the scene without disturbing the evidence.

5

What is the purpose of a reconnaissance?

Is to allow you to make of formulate:
- a preliminary reconstruction
- an appreciation
- a plan of action

6

Steps of reconnaissance

1. Gather information available
2. Create a common approach path
3. Sketch the scene
4. Note anything – weather / forensic
5. Reconsider scene boundaries
6. Consider hot / warm / cold zones

7

What should the Crime Scene Examination Plan (Forensic Strategy) cover?

Starting place (PoE)
Likelihood of evidence deteriorating
Any specialists required
Placement of hot warm cold zones
Search method - logical and systematic
Recording system (exhibit schedules / inventories / job sheets)
Individual tasks/responsibilities
Protection methods for ensuring no contamination
Exhibit handling

8

Minimising contamination risks

• Preserve and control the scene
• Records of personal attending and examining
• Ensure exhibit integrity
• Stepping plates
• Obtain elimination foot / finger prints and DNA
• Avoid examining associated crime scenes
• Keep scene activity and seizure records
• Use protective clothing
• Use new and clean packaging material

9

Actions prior to attending scene

• Cordons have been set up
• Legal requirements
• Additional O/C appointed (scenes, body etc)
• Specialists have been contacted
• Staff members have been briefed
• Equipment sent or requested
• Sufficient staffing

10

Actions prior to leaving the scene

• Ensure all uplifted exhibits are packaged and labelled correctly

• Ensure the scene is secure

• Ensure the scene guard is in place and has been briefed

• Make contact with the O/C Investigation to ensure they are aware you are leaving the scene and have no further instructions for you before leaving