Lecture 4 - Initial Actions Flashcards
1
Q
What is Lockard’s exchange principle?
A
- Every contact leaves a trace
- With contact between two items, there will be an exchange
2
Q
Forensic evidence can be used to?
A
- Identify an offender
- Link suspect to victim
- Link suspect to crime scene
- Reconstruct a sequence of events
3
Q
What happens in initial action?
A
- Preserve life
- Risk assessment
- Call for additional units
4
Q
What happens in initial assessment?
A
Preserve the scene
5
Q
How would you preserve a scene and protect it from contamination?
A
- Cordons (scene guard)
- Common approach path
- zones (cold, warm, hot)
- Personal protection equipment (PPE) requirements
6
Q
What happens during reconnaissance?
A
- Walk through scene
- Gather information (CCTV; witness)
7
Q
What happens during preliminary reconstruction?
A
- Initial hypothesis
- Discuss with other experts present
8
Q
What happens during forensic strategy?
A
- Formal or informal plan
- Resources (people and equipment)
- Review options and order of examination
9
Q
What happens during scene examination?
A
- Photograph and document the scene
- Carry out forensic examination
- As more information comes to light, update reconstruction
10
Q
What happens during forensic examination?
A
- Visual searching
- Chemical testing of suspect stains (if required)
- Collection of evidence
- Document evidence collection
11
Q
What happens initially before a scene examination?
A
- Initial action
- Initial assessment
- Reconnaissance
- Preliminary reconstruction
- Forensic strategy
- Scene examination
