Crime Scene Examinations

Description

Professional Detective Qualification Pre-Requisite Examination (Policy, Practice and Procedure) Flashcards on Crime Scene Examinations, created by James Forgie on 27/03/2016.
James Forgie
Flashcards by James Forgie, updated more than 1 year ago
James Forgie
Created by James Forgie over 8 years ago
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Resource summary

Question Answer
Objectives of Crime Scene Exam Objective to: -Establish if a crime has been committed -Establish the crime's key elements & provide facts for an inquiry -Identify the suspect -Collect evidence -Identify people associated with the crime -Exonerate the innocent -Corroborate or contest witness & victim accounts -Verify confessions & admissions -Exclude possible defences -Corroborate or exclude other evidence
Responsibilities of O/C Scene -Controlling, freezing & preserving the scene & ensuring its safe -Briefing staff on duties -Coordinating & overseeing Scene Exam -Comms link between scene & O/C Investigation -Ensuring scene is photographed, fingerprinted & examined by specialists before it is searched -Establishing a common approach path between cordon & scenes focal point -Conducting a reconnaissance -Planning a strategy for forensic exam -Uplifting, inspecting & ensuring delivery of labelled exhibits to O/C exhibits -Proving the relevant exhibits in court
What is a Reconnaissance? A reconnaissance is: -the prelim inspection or survey made to get an overall picture of the scene without disturbing the evidence -an assessment providing information allowing you to make: -a prelim reconstruction -an appreciation -a plan of action
Making a Reconnaissance Steps 1) Gather all info from staff & prelim interviews of complainant & witnesses 2) Create a common approach pathway & look over the whole area without touching or disturbing it. Consider stepping plates & use appropriate protective clothing to minimise contamination. Look for offenders routes, POE, & seat of activity, extensions to the scene, obvious evidence 3) Sketch the scene & note anything of significance. Sketch will: -help in forming plan of action -be a reference for staff briefings & court -record allocation of staff to search areas 4) Note & be prepared for anything that may damage or effect evidence 5) Reconsider & confirm or extend the scene boundaries
What should a scene strategy cover? -A starting place (offenders entry point) -A logical & systematic search method -Likelihood of evidence deteriorating -Any specialists required -Tasks & areas of responsibility for staff -The recording system to be used
Exhibit Handling at the Scene 1) Consider photographing in-situ before uplifting. Package, seal & label exhibits as soon as they are taken 2) Securely seal all packaging with tape on all edges & sign across the tape 3) Attach an exhibit label including : -exhibit number, description, location, time & date, name of person exhibit seized from, seized by whom 4) Store & transport samples from each suspect / victim / scene in separate outer containers
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