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Trace Evidence

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You are assisting a defense attorney who is defending a murder suspect. A variety of biological and other physical evidence was collected at the crime scene, and the attorney needs your assistance to evaluate the evidence and decide how to proceed in the trial. The prosecution intends to present the following items as evidence in the trial:

Strands of hair found at the crime scene that seem to match the defendant's
Drops of blood type B blood, which match the defendant's blood type
Soil found in the victim's apartment that matches soil found on the defendant's shoes at the time of arrest
Carpet fibers taken from the defendant's socks after arrest, which seem to match the carpet in the victim's home
Prepare a 3 page report in Microsoft Word for the attorney. In the report, cover the following:

An overview of these types of evidence
Methods of collecting each type of evidence
Reliability of each type of evidence
Examples to support the evaluation of each type of evidence
Cite any sources using APA format on a separate page.

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Solution Summary

Trace evidence defence attorney murder suspects are examined. The expert determines how to proceed in a trial.

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https://archives.fbi.gov/archives/about-us/lab/forensic-science-communications/fsc/july2000/deedric1.htm

Strands of hair found at the crime scene that seem to match the defendant's

Hair evidence is not very effective in linking a suspect to any crime unless there is DNA evidence that can be linked to the suspect through their hair strands. DNA is located within a person's hair, and therefore, the hair could dictate that the person was the killer if their hair matches the DNA evidence. Therefore, (you) would have to provide more information regarding the actual evidence to be able to determine whether the strands of hair at the scene are in collusion with DNA evidence linking the suspect to the crime in regard to whether the hair evidence was found near the murder scene.
Drops of blood type B blood, which match the defendant's blood type

The blood evidence will also assist in tying the suspect to the crime if their DNA matches the blood at the scene. The type of blood whether it's type A, B, or O negative is less important because of DNA evidence, ...

Solution provided by:
Raushaun Rigsby, MSc
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  • Associates of Arts , Lone Star Community College
  • Bachelor of Science , Sam Houston State University
  • Masters of Science, Kaplan University
  • Masters of Science , Kaplan University
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