Fingerprinting has played a massive role in establishing the identity of suspects in the legal arena. To help facilitate an accurate matching of two fingerprints, there are three levels of details that experts investigate. On the third level of those details, we see examination of pores and ridge characteristics. Poroscopy is the study of the size, shape, and arrangement of pores. Sweat pores have great individual differences and they are persistent throughout life, which makes them invaluable for individualization in crime scenes. In this review, we can see the evolution of poroscopy and how it can be implemented as a tool for personal identification as proved by various authors in their respective works.