Tagging spray used by police in Motherwell to combat off-road bike crime

Tagging spray used by police in Motherwell to combat off-road bike crime

The handheld tagging spray is a very fine mist that can be aimed at bikes, clothing and the skin of riders and passengers of motorcycles and electric bikes.

UvA professor and group leader at AMOLF Wim Noorduin developed a spray that glows green under a UV lamp when it comes into contact with lead. A long-standing problem with too much lead in Amsterdam's drinking water now appears to be the basis for a police investigation by chance. "The lead particles turn green under UV light. That is very valuable for forensic research. For example, you can see whether someone was shot from close range or from f…