A New Test for Fingerprints Left After a Crime
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A crime scene is often filled with fingerprints that identify the people who have been in that area. But it is still difficult to find out which fingerprints belong to the crime that just happened. The latest studies reveal that there is a new chemical analysis that may change this. Fingerprints often leave chemicals that react with the oxygen in the air. Learning about the degradation rate of these chemicals can tell scientists how old the print really is.
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https://www.snexplores.org/article/fingerprint-age-crime-forensics-chemistry
