Gunpowder taggant solution

[Brown, R Ken]

> ichudov at algebra.com[SMTP:ichudov at algebra.com]  wrote: 
> 
> Also, a gun owner could simply buy gnu powder in various places and
> mix the batches.

We call it Wildebeeste Powder in this neck of the woods.

If you mix Blue Wildebeeste and Black Wildebeeste you get a virtual
Serengeti. There's a good one in the Natural History Museum in
Kensington. Just next to the Horese Evolution quiz.