Crime Scene Investigation
Crime Scene Investigation
Crime Scene Forensics, LLC
Upon Arrival at the Crime Scene:
1. Take photos:
A. From outside to inside
B. From long range to medium range to close up
2 Take more photos:
A. A picture is worth a thousand words...you can never take too many photos
B. The entire scene should be photograph so that any one area can be
reviewed later
3. Take detailed notes
A. Written notes should be detailed enough to explain the most specific details
of the scene without the use of photographs
B. Record all your visual observations
4. Sketch the scene
A. An overall layout of the scene could be extremely helpful
B. Indicate such things as:
-the point of entry at a break-in,
-the location of a decedent,
-the location of evidence collected,
-the location of bloodstains
C. Take measurements so that your scene sketch can be reproduced to scale
5. Evidence should be photographed in place before being collected
6. Collect evidence using the appropriate container
7. Where warranted, process for latent prints
1. Take photos:
A. From outside to inside
B. From long range to medium range to close up
2 Take more photos:
A. A picture is worth a thousand words...you can never take too many photos
B. The entire scene should be photograph so that any one area can be
reviewed later
3. Take detailed notes
A. Written notes should be detailed enough to explain the most specific details
of the scene without the use of photographs
B. Record all your visual observations
4. Sketch the scene
A. An overall layout of the scene could be extremely helpful
B. Indicate such things as:
-the point of entry at a break-in,
-the location of a decedent,
-the location of evidence collected,
-the location of bloodstains
C. Take measurements so that your scene sketch can be reproduced to scale
5. Evidence should be photographed in place before being collected
6. Collect evidence using the appropriate container
7. Where warranted, process for latent prints
Document the following initial information upon your arrival
1. The general layout and condition of the scene
2. The temperature and weather conditions
3. Upon arrival,
- was the building locked?
- were the lights on or off?
- was the TV or radio on? Tuned to what station?
4. Record the name, address, and phone number of anyone
who is present at the initial scene
1. The general layout and condition of the scene
2. The temperature and weather conditions
3. Upon arrival,
- was the building locked?
- were the lights on or off?
- was the TV or radio on? Tuned to what station?
4. Record the name, address, and phone number of anyone
who is present at the initial scene
Bio-Science Evidence:
1. Each item should be placed in a separate paper bag
2. Wet items should be allowed to air dry before packaging
Drugs: use plastic bags to prevent harmful substances from
permeating through and causing harm to the investigator
Fire debris: plastic bags or clean metal paint can
Latent print evidence: use boxes - to prevent latent prints from
being inadvertently rubbed off during transport
1. Each item should be placed in a separate paper bag
2. Wet items should be allowed to air dry before packaging
Drugs: use plastic bags to prevent harmful substances from
permeating through and causing harm to the investigator
Fire debris: plastic bags or clean metal paint can
Latent print evidence: use boxes - to prevent latent prints from
being inadvertently rubbed off during transport
On each evidence package, record the following
information:
1. Description of the item
2. Location from which the item was recovered
3. Date item was recovered
4. Time that item was recovered
5. Collector’s initials
information:
1. Description of the item
2. Location from which the item was recovered
3. Date item was recovered
4. Time that item was recovered
5. Collector’s initials
EVIDENCE PACKAGING
The fascinating
world of forensic
science...made
simple
world of forensic
science...made
simple
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