UV flashlights are invaluable tools for forensic experts, allowing them to uncover hidden evidence that might be missed under normal lighting. In this article, we’ll answer the most frequently asked questions about UV flashlights in crime scene investigations, covering their uses, types, safety tips, and more. 1. What Is a UV Flashlight, and How Does It Work? Answer:A UV flashlight emits ultraviolet light—a type of electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays. It causes certain substances to fluoresce (emit visible light) when exposed to UV rays, making them visible to investigators. Common UV Wavelengths Used: [...]