Define the physical properties of the evidence collected The physical properties of the impression and pattern evidence include fingerprints (National Institute of Justice, 2016). Fingerprints can be attained from multiple places within a burglarized location. It is perhaps best to obtain them in close proximity to where items were stolen. These properties are...
Define the physical properties of the evidence collected
The physical properties of the impression and pattern evidence include fingerprints (National Institute of Justice, 2016). Fingerprints can be attained from multiple places within a burglarized location. It is perhaps best to obtain them in close proximity to where items were stolen. These properties are mostly defined optically, since they can be seen. The physical properties of the trace evidence include fiber from some sort of clothing. This evidence can be gathered from places at the crime scene where the criminal spent the most time. It includes characteristics such as color and texture. The physical properties of the forensic biology evidence pertain to hair. These include characteristics such as DNA, in addition to the color and texture of hair found.
Explain what information can be found from this evidence
A fair amount of information can be found from the evidence gathered. The DNA evidence gathered from the hair found can identify at least one of the persons who was present at the crime. It can also identify someone who a person at the crime was with prior to committing it (National Institute of Justice, 2016)—which narrows down the suspects. The textile evidence of the fiber from the clothing offers the same benefits. It either is indicative of the clothing worn by someone present at the crime scene, or that of another who the person at the crime scene was around before entering the crime scene. Fingerprints are perhaps the most useful form of forensic evidence because they are unique to people. The fingerprints gathered there will determine who exactly was at the crime scene.
Hypothesize how the evidence could be used in the investigation
There are many ways this evidence could inform the criminal investigation subsequent to this particular crime. The fingerprints could help to denote who exactly was involved in it. For instance, fingerprints could help prove that there was a separate driver of the vehicle than the person who burglarized it, depending on which prints were found in the car and in the home. This type of evidence is useful in determining the scope of the criminal activity involved, suggesting whether or not there were accomplices used in this crime. The textile evidence of the clothing found in the crime is similarly beneficial. This evidence could give investigators a lead on the physical appearance (in terms of clothing) of at least one of the criminal. That way, when witnesses are questioned about this incident, investigators would have a way of narrowing down suspects based on the clothing and type of apparel the suspects were wearing. This sort of physical description is important for involving witnesses. Eye witness information can often lead to successful crime scene investigations.
Investigators could use the fingerprints and the textile evidence to narrow down a range of suspects. Then, they could have witnesses pinpoint suspects—or rule out suspects—in criminal lineups. DNA evidence can yield similar advantages to a crime scene investigation. It can help to form a composite of a suspect based on the synthesis of each of the pieces of evidence. For instance, if the hair was auburn, investigators could focus on redheads who were wearing a yellow sweater. Moreover, they could also concentrate efforts on people whose fingerprints were found at the crime, and see if they are closely related to any individuals who match the other forms of evidence mentioned.
Review the evidence that was collected from the crime scene.
The evidence collected from the crime scene pertained to trace evidence, impression and pattern evidence, and biological forensics/DNA. It involved clothing fabric, fingerprints, and hair.
References
National Institute of Justice. (n.d.) Forensic Science. www.nij.gov Retrieved from http://www.nij.gov/topics/forensics/pages/welcome.aspx.
National Institute of Justice. (2016) Trace evidence. www.nij.gov Retrieved from https://www.nij.gov/topics/forensics/evidence/trace/pages/welcome.aspx
National Institute of Justice. (2016) Impression and pattern evidence. www.nij.gov Retrieved from https://www.nij.gov/topics/forensics/evidence/impression/pages/welcome.aspx
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