Forensic dramas on TV make it seem easy to determine when fingerprints were left at the scene of a crime. In reality, the oils in fingerprints degrade over time, and it’s difficult to figure out their age. Now, researchers reporting a small-scale study in ACS Central Science have discovered molecular markers for changes to these oils over a seven-day time period—information that could be used to estimate fingerprints’ ages more accurately.
Click here for original story, How old is that fingerprint?
Source: Phys.org