Invisible Fluorescent Thief Detection Powder is applied to a surface such as a doorknob or a valuable object. It is applied lightly with a brush. When your thief touches the object, the powder transfers to the skin and remains invisible until inspected under UV light. The Fluorescent Thief Detection Powder will glow brightly under UV light and will easily identify your thief. This product must be used with a UV light. Available here.
This Fingerprint Powder is amazing. The first thing that I did was to put it on the keypad of my dad's safe to find out the code, and it worked, by using a UV Light. Really cool. An impressive toy to have in your Forensics Kit.