How is wet clothing packaged at a crime scene?
Evidence that is wet or that may contain body fluids (blood, semen, etc.) must be air-dried completely. Such items should be packaged in paper bags/boxes.
What are the 8 steps of packaging evidence?
Terms in this set (11)
- Obtain a search warrant.
- Secure and Isolate the crime scene.
- Record the scene.
- Conduct a systematic search for evidence.
- Collect and package physical evidence.
- Maintain and chain of custody.
- Obtain controls.
- Submit evidence to the laboratory.
How do you package each type of evidence?
There’s a simple rule of thumb for deciding which type of evidence packaging—wet evidence goes in paper containers (wet evidence can degrade if placed inside plastic containers) and dry evidence goes in plastic. Items that could be cross-contaminated must be packaged separately.
Why are moist clothes be air-dried before packing?
Stains (Wet) – Blood, Semen, Saliva
Biological evidence should always be allowed to air-dry before packaging/storage. Moisture allows bacterial growth to occur, rapidly destroying nuclear material and therefore, greatly diminishing the possibility of obtaining useful DNA results.
How do you package clothing evidence?
Evidence – Only pertinent items Preservation: Do not handle with bare hands Wrapping & Packing: Package each article individually with identification written on outside of package. Place in strong container. Use paper bags, never plastic. Miscellaneous: Leave clothing whole.
How is evidence packaged at a crime scene?
Most items of evidence will be collected in paper containers such as packets, envelopes, and bags. … Once in a secure location, wet evidence, whether packaged in plastic or paper, must be removed and allowed to completely air dry. That evidence can then be repackaged in a new, dry paper container.
What are the 5 steps of crime scene investigation?
The basic crime scene procedures are physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction.
How do you collect package evidence?
Place small glass fragments in paper bindles, then in coin envelopes, pill boxes, or film cans which can be marked and completely sealed. Place large glass fragments in boxes. Separate individual pieces with cotton or tissue to prevent breakage and damaged edges during shipment. Seal and mark the box containing them.
How do you transport evidence?
Use plastic bags for the transportation of biological evidence only when there are excessive body fluids and possible contamination of people and other evidence items. Use paper packaging if saturation is not a possibility. Never package wet or moist body fluids in plastic bags for long periods of time.
What is the purpose of packaging the evidence?
After evidence has been found and gathered, it must be protected. Each piece of evidence gathered is packaged separately to avoid damage and cross-contamination.
How do you package evidence at a crime scene quizlet?
Put samples in sturdy box with close fitting sealed lid and then in a polythene bag. Fold paper with hair and seal in a sturdy envelope or polythene bag.
What is the first goal when packaging evidence?
Protect the evidence from loss, contamination or deterioration when packaging it. This may include packing the evidence in a container that is not too large or small, drying the evidence before packing it if it is wet or storing it in proper temperature. Label the evidence properly.