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Advanced Crime Scene > Scene Management > Flashcards

Scene Management Flashcards

1
Q

What are the 8 roles and responsibilities of a CSI

A 
Confirm that a crime has been committed 
Preservation of the scene
Identify key evidence areas 
Identify key evidence types
Record all evidence
Recovery of all evidence
Packaging and storing evidence
Briefing the SIO
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2
Q

What are the 6 considerations when attending the crime scene?

A
  1. Initial assessment
  2. Identification of key evidence areas
  3. Preservation of the scene
  4. Planning the recovery of evidence
  5. Recording the evidence
  6. Recovering the evidence
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3
Q

What are the 5 considerations before entering the crime scene?

A 
Health & Safety
-Physical environment
-Chemical hazards
-Biological hazards
Risk Assessment
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4
Q

What are the 6 features of planning evidence recovery

A
  1. Failing to plan is planning to fail
  2. Scientific samples
  3. Footwear
  4. DNA
  5. Forensic Scientist
  6. Specialists
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5
Q

What are the 5 ways contamination can occur during an investigation

A
  1. Personnel to DNA exhibit
  2. Contaminated consumables
  3. Swabs, Tubes, Containers
  4. DNA sample to DNA exhibit
  5. Contaminated equipment not properly cleaned from previous scenes
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6
Q

What are the two types of contamination that can occur into a DNA exhibit?

A

Direct, (Saliva,Dandruff)

Indirect

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7
Q

What are the 4 non disposable equipment available to csi’s

A
  1. Fingerprint powders & brushes
  2. Imaging equipment
  3. Lighting equipment
  4. Stepping plates
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8
Q

Cognitive Bias is where…

A

Individuals create their own subjective social reality from their perception of the input

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9
Q

What are the 3 DONTS of hypotheses

A
  1. Don’t base hypothesis on ‘flights of fancy’
  2. Don’t make assumptions
  3. Don’t believe assumptions made by others are fact
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10
Q

What does HOLMES stand for

A 
Home 
Office 
Large
Major
Enquiry
System
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11
Q

What are the 5 police objectives in a crime scene

A
  1. Preservation of life
  2. Safety
  3. Preservation & recovery of evidence & intelligence
  4. Minimise contamination
  5. Maximise potential to detect crime
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12
Q

What are the 6 main considerations in regard to a good Cordon

A
  1. Vehicles parked inside outer cordon, outside the inner cordon
  2. Common approach path to victim
  3. Think about where to place outer cordon
  4. THINK! about the areas you are in
  5. First officer attending = cordon officer
  6. Body in scene = Ask cordon officer if life is extinct & call pathologist
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13
Q

What does FOA stand for

A

First officer attending

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14
Q

The FOA is usually what role?

A

Police constable OR pcso

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15
Q

What are the 4 things that the Initial considerations of the FOA will depend on

A
  1. Category or serious nature of the offence
  2. Their own observations
  3. The info provided by the injured party
  4. The info provided by witnesses
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16
Q

What are the 3 types of criminal offences

A

Serious
Major (Manslaughter, Murder, Rape)
Volume( Theft, crim damage, burglary, common assault)

17
Q

What are the two types of samples that can be taken from a victim?

A

Intimate

Non-Intimate

18
Q

What are the 8 types of intimate samples

A 
Dental impressions
Semen sample
Blood sample
Urine sample
Pubic hair sample
Genital swab 
Swab taken from any body orifice other than the mouth
19
Q

What are the 5 types of Non-intimate sample?

A 
Sample of hair other than pubic
Sample taken from/under nail
Sample of saliva
Skin impression other than fingerprint
Swab from any part of body that isn't intimate
20
Q

6 Considerations for the FOA when dealing with witnesses

A
  1. Could be friend/fam of victim
  2. Could be drunk/on drugs/ in shock
  3. Locate independent witnesses! impartiality = greater validity
  4. Must get as much info as possible from witnesses
  5. Minimum info = Name, address, phone number
21
Q

5 Considerations when dealing with suspects (FOA or otherwise)

A
  1. Possible both V & S still at scene
  2. Contain is POSSIBLE & LIKELY when this happens ^
  3. Officers actions must be carefully REPORTED & SCRUTINISED
  4. Consider contam by SECONDARY TRANSFER. Officer -> victim -> officer -> suspect
  5. MUST explain full circumstances to forensic scientist
22
Q

Dealing with the crime scene (Cordon)

A
  1. )Major scenes need an INNER & OUTER cordon
  2. )Larger the outer cordon the better
  3. )Adequate outer cordon is of utmost importance
  4. )Make common approach path
  5. ) Must record all entries of authorised personnel
  6. ) When possible the CAP should follow diff route than the offender
23
Q

6 Considerations when attending the crime scene

A 
Initial assessment
Identification of key evidence areas
Preservation of the scene
Planning the recovery of evidence
Recording the evidence
Recovering the evidence
24
Q

5 Considerations before entering the crime scene

A 
Health and safety
Physical environment
Chemical hazards
Biological hazards
Risk assessment
25
Q

5 features of planning evidence recover

A 
Scientific samples
Footwear
DNA
Forensic Scientists 
Specialists
26
Q

Correct scene preservation

The 4 P’s

A

Prevent movement of evidence
Prevent destruction of evidence
Prevent contam of evidence
Prevent loss of evidence

27
Q

What are the 4 features of scene Documentation

A

Police notebooks
Notes & Sketch plans
Notes must be contemporaneous
Crime scene attendance log

28
Q

What 3 things are the CSI’s looking for in their Initial assessment

A
  1. )Identification of key evidence areas
  2. )Areas exposed to weather + public = priority + protect
  3. ) Ingress and egress points
29
Q

What are ingress and egress points

A

Entry and exit points

30
Q

When planning evidence recovery what are the 4 rules

A
  1. )Footwear impressions + footwear evidence = top priority
  2. ) DNA Material = blood, fag ends, chewing gum etc = next priority
  3. )Items that have fingerprint retainable surface last priority
  4. ) Failing to plan is planning to faill

Advanced Crime Scene (1 decks)

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