Crime Scene Initial Action and Examination

Question 1

Responsibilities of O/C scene

OC THE SCENE

Answer 1

Responsibilities of O/C scene

OC THE SCENE

Oversea and coordinate the examination
Communication link to OC investigation
To inspect uplift and ensure delivery of exhibits to exhibit recorder
Have to produce relevant exhibits in court
Ensure scene photographed fingerprinted and examined
Strategy for forensic examination
Control freeze preserve the scene
Establish common approach path from cordon to focal point
Need to brief staff on their duties
Ensure you do reconnaissance to gain overall picture

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

Question 2

Making a reconnaissance 6 step process:

Answer 2

Steps of reconnaissance

1. Gather information available; staff present, preliminary interviews, complainant, witnesses.
2. Create a common approach pathway; overlook the whole area without touching or disturbing it; use stepping plates, protective clothing, look for offender route, points of entry/exit, seat of activity, extensions to scene, obvious evidence.
3. Sketch the scene, briefly note anything of significance.
4. Note anything effect evidence; weather / forensic/shoe prints
5. Reconsider scene boundaries and examination proprieties
6. Consider hot / warm / cold zones

Question 3

SCENE EXAMINATION

Objectives of a crime scene examination

(OBJECTIVES)

Answer 3

Offence- Establish has one been committed
Back up or exclude other evidence
J
Exclude possible defences
Corroborate or contest witness/victim accounts
The innocent can be exonerated
Identify people associated with the offence
Verify confessions and admissions
Establish the offences key elements
Suspect identified

Question 4

Scene Control and Security

Your priority is now to control, freeze, guard and preserve

Control

Answer 4

CONTROL

Clear the people from the scene/take nothing/ containation
Order Witnesses/suspects to a clear area/stay with them
Not to discuss anything
Take witness/suspect to station to be interviewed
Rivals are kept apart
Obtain full particulars/preliminary interviews
Left the area-who has

Question 5

Scene Control and Security

Your priority is now to control, freeze, guard and preserve

Freeze

Answer 5

From or to the scene-no movement
Remove wandering animals and cease activity
Ensure nothing is touched or moved
Z
Exhibits are protected
Register (scene log) of movements

Question 6

Scene Control and Security

Your priority is now to control, freeze, guard and preserve

Guard

Answer 6

Guard: appoint scene guards and define their duties
Use civilians if necessary
Assemble point establish in a safe location
Rolls of emergency tape can be used
Define boundaries

Question 7

Scene Control and Security

Your priority is now to control, freeze, guard and preserve

Presurve

Answer 7

Preservation of scene reliant on your reconnaissancen and appreciation. Ensure scene and exhibits protected.

Question 8

Scene examination process

CFTCT

Answer 8

Conduct reconnaissance
Formulate crime scene examination strategy
Take actions before attending the scene
Conduct the formal interview
Take actions after the examination

Question 9

Scene guard responsibilities

MR SCENE GUARD

Answer 9

Maintains a crime scene log; name designation authority to enter time in and out
Record all movements to and from the scene include vehicle reg
Scene- prevent aunorthorised entry to & from the scene
Communicate relevant info to OC scene or Crime Scene Cordinator
Ensure common approach path used visitors to be supervised
No discussion with by-standers or media
Ensure no disturbance -do not personally enter, contaminate, interfere with scene
Guard and protect scene prevent animals entering that may feed on evidence
Use courtesy with civilians, witnesses, crowds
Advise OC of actions taken
Relief- brief relieving scene guard and hand over log
Duty remain on duty until relieved