Preserving The Crime Scene / Evidence Flashcards
When marking the perimeter of a crime scene with tape the officer should
Make it large enough to encompass any evidence left including any that may have been left when fleeing the scene
What is the purpose of the crime scene log?
To document who entered and left the scene and should include the times they entered and left
What should you do if you may lose transient evidence
Go ahead and collect it instead of waiting on an evidence tech photograph and collect properly
Know the procedure for packaging evidence, clothing and firearms
Each item gets its own envelope or bag; once packaged individually, they can be placed in a large envelope or box
Should plastic bags be used to collect evidence?
Do not use plastic to package evidence due to mold, mildew or bacteria growth. Use paper so it can breathe
When collecting and packaging a firearm, what will you do with the gun first?
Document the condition found, serial number and place in evidence envelope. Do not unload.
When packaging trace evidence you should
Use a druggist fold to package
The 4 basic types of crime scene sketches are
Overview or Birdseye view
Elevation view
Exploded or cross projection
Prospective or 3d view
A complete sketch should include
Evidence measurements, case number and date, key or legend
Before any items are moved or touched at a crime scene
They should be photographed
When photographing a crime scene
All photos should be planned and must be taken and recorded in a photo log
First thing officers should do when arriving at the crime scene is what
Make sure scene is secure, check victim for signs of life then witnesses or other people at the scene
