Crime Scene Quiz
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Sketches can also give a permanent record of
The relationship of different points of interest to each other in the scene
Sketches do what better than a photograph?
Sketches may give a better overall layout of the scene than do photographs
What allows for selectivity?
Sketches
What is the most important role of the sketch?
To give measurements, scale, and relative placement of all important details in the crime scene
What should sketches include
The date and time Scale Reference points Distance measurements The name of investigators Victims & suspects A legend
Photographs can capture
Details that even the most observant investigator may miss
What should an investigator do before touching or moving any evidence
Photograph the scene
Where should they pay special attention to?
Points of entry and exit
Photographs help
The investigator and witness remember details They show where evidence is placed in the scene Help the judge and jury visualize the crime scene
The investigator should include photos that
Clarify the scene Close-up photos of evidence Photos of the scene as viewed through the eyes of a witness Photos of the location of the scene and its surroundings
All photographs should include
A rule for scale and be carefully documented and kept as evidence
Anything that might carry race evidence is
Collected for later examination in the lab
Special lighting may be used
To spot body fluids that would be invisible in normal light
How the investigator carries out the search depends on the
Since of the area, location, and the complexity of the crime scene
Too many investigators _________________, too few investigators ______________.
Get in each other’s way and may destroy evidence, miss evidence
A large area may
Be divided into designated sections for systematic searching
The investigators must put each time collected
In a seperate container or package and label it
The most _______ evidence is collected and packaged first
Fragile
If evidence is found sticking to a larger object…
…the whole garment is collected, packaged, and sent to the lab
What are good containers for most evidence
Pill bottles Vials Manila envelops Plastic bags
Wet items must
Be dried before packaging
Containers should be
Sealed tightly
Biological items
Should be dried and kept in a freezer
Clothing with trace evidence should
Be packed carefully to avoid disturbing the evidence