How does Luminol help solve crimes?
Cop shows and movies show you an unbelievable range of gizmos that can perform unimaginable tasks such as bringing into focus a single voice from an otherwise muffled recording or computers that can zoom in on a tiny section of the image on the screen. Most of it is pure fiction. But one seemingly strange chemical that glows when it comes into contact with blood is for real. Its called Luminol. Luminol is a chemical that glows with a bluish light when it comes in contact with blood. It even reacts with years old traces of blood. An ultra-sensitive chemical, it can detect blood at one part per million. In simple language, this means that if there is even one drop of blood in 999,999 drops of water, luminol will glow. Hence, extensively used for criminal investigations, luminol has helped crack some pretty tricky cases of detection. Victims of bloody, violent crimes cannot disappear without a trace that is the basic assumption on which crime scene investigators function. No matter how ha
