Crime Scene Investigation - Basics Flashcards
What is Locards exchange principle?
Every contact leaves a trace
What factors affect the transfer of matter?
Amount of force used
Length of time the contact took place
The surface area of the contact
The nature of the materials involved
What is physical evidence?
Any material or items found at a crime scene of on the victim
What is trace evidence?
Microscopic physical evidence that is found in small but measurable amounts
A control sample is material from?
A known source
A question sample is from?
An unknown soruce
What Act (with year) allows a Chief Constable to give certain specified powers of ‘designation’ to persons other than a police officer?
Police Reform Act 2002
When drawings, diagrams or plans are drawn what should always be written on the diagram?
Not to Scale and what the diagram represents
If a mistake is made, how should this be corrected?
A single line through the mistake, a correction and initials
Methodology in which a scene examination be carried out
Record
Remove
Add
Which 9 characteristics are are protected by this act?
Equality Act 2010 Gender reassignment Sex Marriage/civil partnership Age Race Disability Religion Sexuality Maternity and pregnancy
In order - what should you do with evidence?
Leave in situ
Protect
Move
Seize
When a police officer enters a scene which needs stabilising, what should they do first?
Search all voids sufficiently for an individual could be hiding or hidden in.
When the police search a scene what are they looking for?
Hazards
Offenders
Victims
Crime Scenes are protected to ensure material isnt…
Moved/\displaced
removed
Damaged/destroyed
Added
