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Fingerprints are detected using techniques such as powder dusting, chemical solutions, or lasers. These methods help to reveal the unique ridge patterns present on the skin's surface, which are then captured and analyzed for identification purposes.

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1y ago

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How do csi take finger prints at a crime scene?

CSI technicians use powder or chemical solutions to make fingerprints visible on surfaces. They carefully lift the prints using tape or specialized tools without smudging them. The lifted prints are then analyzed and compared to known prints in databases to identify potential suspects.


How do they figure out where the finger prints are in a crime scene?

Forensic investigators use various techniques to identify and lift fingerprints from a crime scene. This typically involves dusting for prints with powders or chemicals, then lifting them with tape or adhesive sheets for analysis. Advanced methods such as using lasers or alternate light sources can also reveal hidden prints on different surfaces.


Which is an example of Locard's principle?

If a burglar breaks into a house, they will leave behind traces such as fingerprints or shoe prints that can be used as evidence. This exemplifies Locard's principle that every contact leaves a trace, meaning that whenever two objects come into contact, there will be an exchange of material that can be detected.


What divice is used to identify a person by a finger print?

A fingerprint scanner is the device typically used to identify a person by their fingerprint. It captures the unique patterns in an individual's fingerprint and compares it to a database of stored prints to verify identity.


How can you remove finger prints?

Fingerprints can be removed by wiping the surface with a microfiber cloth or a soft cloth dampened with a mild cleaning solution. Avoid using harsh chemicals that can damage the surface. For electronic screens, use a special screen cleaning solution or wipes designed for that purpose.