Crime scene examination Flashcards
Objectives of crime scene examination
S.P.A.C.E.O.I.D
Est if offence has been committed
Est the offences key elements
Identify the suspect and place them in contact
Identify people associated with the offence
Exonerate the innocent
Corroborate or contest witness/ victim accounts
Verify confessions
Exclude defences
Corroborate or exclude other evidence
Responsibilities of crime scene manager
Control, freeze, preserve Brief staff Coordinate crime scene examination Provide communication to O/C Ensure scene is photographed, fingerprinted etc Establish a common approach path Conduct the reconnaissance Plan strategy for forensic examination Uplift exhibits and deliver to O/C exhibits Prove relevant exhibits in court
Making a reconnaissance
1 gather information from staff present at scene
2 create a common approach path
3 sketch the scene
4 note anything that may damage evidence
5 reconsider the scene boundaries
6 consider placement of hot, warm and cold zones
The plan should cover?
Placement of the zones Protection methods for cross contamination How exhibits will be handled Starting place Logical search method Likelihood of evidence deteriorating Any specialists required Individual tasks for each member Recording system to be used
How to minimise the contamination risks
Preserve and control the scene Use stepping plates Set up hot, warm, cold zone Protective clothing Use new clean materials Keep accurate scene and exhibit records Use different staff for different scenes Use correct recording, lacking, sealing and labelling of exhibits Obtain elimination prints
Actions prior to attending the scene you should ensure that?
You have sufficient staff The necessary equipment Necessary specialists Roadblocks or cordons are set up Staff have been briefed O/C has been appointed for body, exhibits etc Legal requirements have been obtained