Why were fingerprints used in ancient Babylon in forensic

In ancient Babylon, the clay tablets that were used for business transactions required fingerprints. In ancient China and 14th century Persia, thumb prints were found on clay seals or on various official documents. Give the other person brainiest!

In ancient Babylon, the clay tablets that were used for business transactions required fingerprints. In ancient China and 14th century Persia, thumb prints were found on clay seals or on various official documents ... He is accredited as the first to study fingerprints under a microscope.