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Crime Scene Examination
Transcript of Crime Scene Examination
What is a crime scene
What types of evidence can be found
What does a Crime Scene Examiner do
What to do at a crime scene
What is a Crime Scene?
Look at the following pictures and decide
which of them are crime scenes and why.
Anything that can yield evidence to an investigation is a crime scene.
A single crime can result in many, many "crime scenes".
If a person commits an offence, they are a walking crime scene.
Types of evidence
The first officer at the scene will usually ensure a cordon is set up.
This is done to prevent people entering the scene.
People entering the scene may contaminate possible evidence.
They may bring in outside factors to the scene.
The police officer who sets up the cordon will then set up a scene log.
-Name of the person
-Reason for entry
All entries must be perfect!
e first job of the CSE is to question the first officer at the scene:
When did he arrive?
What were the condition when he arrived?
Has he touched/moved anything at the scene?
Has anyone else been to the scene?
Has anyone else moved or touched anything?
The Crime Scene Examiner
All info goes into the CSE’s notebook.
Before entering the scene, the CSE must appraise the scene and decide how to proceed.
They must set up a common approach path.
They must decide the best way to search the scene.
A CSE should make a rough sketch of the scene before entering.
Photographs of the scene should be taken to correspond with the sketches.
This should be noted in the SOCO’s notes including time, date, & action taken.
Once evidence has been located and recorded it must be collected.
The CSE must collect the evidence in a suitable manner.
It must be packaged in suitable packaging so as to prevent contamination.