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to make sure that it is not compromised you would need to see that there are no other prints on the crime scene and you would also need to have the perimeter cleared and made sure that there are not people there that would tamper with the evidence.

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12y ago
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13y ago

During the collection of the evidentiary material it is placed in sterile baggies or glass tubes/jars in order to protect it against cross-contamination.

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14y ago

Forensic scientists use swabs. This is then tested in the labs.

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Q: What steps are taken to make sure DNA is not contaminated at a crime scene?
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What steps are taken to make sure a DNA sample that is collected from a crime scene is not contaminated?

Gloves, hairnet & possibly even a body suit Added; The evidentiary material is collected and deposited into sterile baggies or glass tubes and jars.


What can be taken as a DNA sample from a human in a crime scene?

anything


Who interrogates a suspect at a crime scene?

suspects are usually not interrogated at the crime scene. They are taken into a room where they can be video taped for safety and court reasons


Why do police investigators require crime scene photos to be taken?

Police investigators require crime scene photos to be taken because they provide a visual and accurate representation of the initial state of the crime scene. These photos can be used as evidence, aiding investigators in analyzing the scene, identifying potential leads, and reconstructing the sequence of events surrounding the crime. Crime scene photos also serve as a reference for future analysis and can be presented in court as visual evidence.


Why are carpet samples collected from crime scene?

Because in every crime something is either taken and/or left behind by the culprit, therefore connecting them to the scene.


Which of the following refers to the physical area in which a crime is thought to have occurred?

The term you are referring to is "crime scene." It is the location where a crime or unlawful activity is suspected or believed to have taken place and is typically investigated by law enforcement.


What tests do I have to take to become a crime scene investigator?

When you need to find out more about taking a crime scene investigator test, I suggest you take a look at one of the online universities. They will list the options including the costs involved and the locations where the crime scene investigator test can be taken.


How is a crime scene entry log properly used?

A crime scene entry log is properly used to keep track of all evidence and items that are taken from the scene. Each item is assigned an identification number, description, and where it was found. The person collecting the item will then initial the logged item.


What are crime scene investigator jobs?

Crime Sceene Investigator jobs involve gathering evidence to bring back to labs for biochemist to examine. They also do the following Fingerprinting Creating footprint impressions Sketching the crime scene Taking detailed photos of the scene Carefully packaging evidence to be taken for DNA or other analysis Good crime scene investigators must be able to carefully follow detailed protocol; if they dont, they could seriously disturb a crime scene and ruin important evidence.


What are the steps taken when you collect blood from a crime scene?

1. Take a jar and fill it up with the blood. 2. Tell everyone you committed the crime. 3. Show the police. 4. Hide the body in your neighbors trashcan. 5. Wate until the trash truck comes. 6. Then you will feel guilty.


How is a crime scene log properly used?

A crime scene entry log is properly used to keep track of all evidence and items that are taken from the scene. Each item is assigned an identification number, description, and where it was found. The person collecting the item will then initial the logged item.


What are the causes of right arm pain?

When you need to find out more about taking a crime scene investigator test, I suggest you take a look at one of the online universities. They will list the options including the costs involved and the locations where the crime scene investigator test can be taken.