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    The magnetic influence in forensic science

    Published: 2023-06-23 12:16:48 • Ramin Ebrahimnia

    Forensic science is a large field that combines many different disciplines in order to solve crimes and reveal secrets. Magnets play a surprising function in this complex network. Their special qualities help in the gathering, analyzing, and even reconstruction of evidence at crime scenes.

    Recovery of the bullet: In situations involving weapons, this step is frequently essential. In order to identify bullets or pieces that may be hidden in walls, floors, or even outdoor surroundings, magnetic locators that are sensitive to ferrous metals are used. The effectiveness of gathering evidence is increased by this non-intrusive technique.

    Magnets are useful in the gathering and examination of trace evidence, particularly ferrous metal pieces. From crime scenes, magnetic sweepers can quickly collect minute metallic evidence. Magnetic separation methods are used in the lab to separate metal particles for further analysis.

    Magnets are helpful in document analysis, particularly in spotting fake checks and other documents. Magnetic ink is used by Magnetic Ink Character Recognition (MICR) to print specific information, such as account numbers. In these domains, forensic document examiners employ magnetism to find modifications or forgeries.

    Even the traditional method of recovering fingerprints has benefited from magnetic advancements. Latent fingerprints on a variety of surfaces can be discovered using magnetic fingerprint powder and a magnetic applicator. This method has a number of benefits, including less mess, simplicity, and lower danger of destroying the prints.

    Detection of Gunshot Residue: Gunshot residue (GSR), which consists of minute particles left on the shooter and nearby items, is frequently an important piece of evidence. Using a magnet to detect iron in GSR, the Ferrotrace test offers a simple and portable way to find probable gunshot residue on suspects or at crime scenes.

    In the complex field of forensic science, magnets have proven to be an important instrument due to their invisible power. Their numerous uses, including as bullet recovery and gunshot residue detection, greatly improve the effectiveness and accuracy of forensic investigations. The magnetic touch still shines brightly in this never-ending search for the truth.

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    The magnetic influence in forensic science
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