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What reagent may be sprayed at a crime scene to identify blood?
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What are some chemical properties used to identify evidence in crime scene?
Heat and magnified fibers
The chemical used to locate blood at a crime scene?
Luminol
What might be used to destroy forensic evidence?
While criminals have used many means and tried many chemicals to destroy evidence, today, scientists can easily locate enough forensic evidence at most crime scenes. Fire (arson) and bleach have been two commonly used measures, but science can identify inflammatory agents and bleach does not remove all blood evidence. It only takes one tiny blood cell to track DNA.The BEST way to completely eliminate forensic evidence is to never commit the crime!
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.
What is an example of something not visible to the naked eye at a crime scene?
Fingerprints are usually not visible to naked eye at a crime scene. Another thing would be dried up blood, which has to be seen in a certain light. Same would go with some of the other body fluids. Electronic data - i.e held on computers , disks , memory sticks etc
Can blood found at a crime scene really identify the criminal?
Yes
Why is blood evidence important?
Blood evidence can help to identify the suspect who comitted the crime, (especially in regard to their unique DNA which is found in the blood).
Imagine you are a detective examining a crime scene. You are trying to identify the person who committed the crime, so you collect many samples at the crime scene. Which sample would be most useful in identifying the person who committed the crime?
A piece of fingernail found at the crime scene
A sentence with the word identify?
The FBI used fingerprints to identify who committed the crime.
What is the importance of blood grouping in forensic science?
Legal investigations may require typing of blood or such other body fluids as semen or saliva to identify criminal suspects. In some cases typing is used to identify the victims of crime or major disasters.
What is a forensic scientist's job in solving a crime?
Forensic scientists analyze physical evidence collected from crime scenes to provide insights that can help solve crimes. They use scientific methods to examine items like DNA, fingerprints, and firearms, and provide expert testimony in court based on their findings. Their work is crucial in helping law enforcement agencies piece together the details of a crime and identify suspects.
What are some of the knowns and unknowns that forensic scientists can compare to their crime solving?
because of the friction -and without food chain are sprayed
Using DNA to identify who committed a crime is?
DNA fingerprinting
How is science used in crime scene investigation?
DNA technology allows you to scan DNA, such as fingerprints or hair or blood, and it gives you matches of people that could be the suspect.
How is genetic fingerprinting used to identify chemicals at the scene of a crime?
about genetic fingerprinting
How do you identify victim in crime scene sketch?
by pick out the person in a line up
What to police search for at crime scenes?
Police search for various types of evidence at crime scenes, including but not limited to: DNA, fingerprints, footprints, weapons, tools, bloodstains, fibers, and other trace evidence. They also look for any signs of forced entry or tampering with evidence that can help establish how the crime was committed. The goal is to collect and preserve evidence that can be used to identify the perpetrator(s) and support investigations and prosecutions.
