Forensic Science Does UV light destroy DNA evidence? March 11, 2026 by Tanp | Leave a Comment UV light can indeed damage and degrade DNA evidence, making it harder to analyze. While it doesn’t instantly "destroy" DNA, prolonged or intense exposure can break down the delicate molecular structure of DNA, leading to fragmentation and alteration of genetic information. Understanding UV Light’s Impact on DNA Evidence The question of whether UV light destroys […] Read more ยป