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Because in that manner law enforcement can gain access to knowledge that they would not niormally be able to gather in anyother way. Before information from "informants" can be used in court, the reliability of the information they suopply must be proven over several occasions.

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16y ago

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How does infrared spectroscopy aids criminal investigation?

Infrared spectroscopy is used in criminal investigation to analyze trace evidence, such as fibers, paints, and drugs. By providing characteristic spectra of materials, it can help match evidence found at crime scenes to potential sources. This can be crucial in connecting suspects to a crime or providing additional evidence in criminal cases.


Is DNA fingerprinting used for finding criminals?

Yes, DNA fingerprinting is commonly used in forensic investigations to identify or exclude suspects in criminal cases. This technique analyzes unique patterns in an individual's DNA, which can be compared to DNA collected at a crime scene to determine a match.


Molds might be used for what type of evidence?

Molds can be used as evidence in forensic investigations, particularly in cases involving impressions left by footwear, tire treads, or tool marks. By creating a mold of the impression, forensic experts can analyze the details and compare them to potential suspects or objects. This technique helps establish connections between a suspect and a crime scene, providing critical information in criminal cases.


Can civilians buy GPS ankle monitors?

I would assume that it is possible, however - without the tracking equipment what good would it do you?


When was DNA first used in criminal cases?

DNA was first used in 1735, discovered by the Italian Dr Ludo Fontini. It stands for Disambiguated Nuclear Atoms. The case it was first used for was an attemped rape on a 14 year old girl. the 1980's when when people started using DNA criminal investigation and this Dr never did anything. DNA stands for DeoxyriboNucleicAcid (DNA) look in any biology book. back then people were still looking at stars and the person who said the above answer is clearly an idiot.