As some of us are trotting out what we would like to happen (as opposed to what will happen), lets not bother with PC nonsense like pink dye or smart water, and lets be like the KGB in the cold war days...........Lets spray them in radioactive matter!
We can either track the 'active' trail back to their houses, or........Just wait for them to appear in their local hospitals feeling a bit unwell
Of course, earlier on I was not feeling quite so vindictive, and just fancied seeing a few cops with miniguns