A house in my old neighborhood sat quietly for years with a (seemingly) nice couple living there until one day it exploded and caught the houses on either side of it on fire... turns out they'd been cooking meth for quite some time and finally had the inevitable kaboom. Characteristics of a meth lab would be something good to write about... strange odors to look for or characteristic hardware being brought into the house (for instance, should I be watching my neighbors for bulk packs of tylenol and batteries?). Basically, things to watch out for so you can report a possible meth lab next door before your house goes up in smoke because of it. I'd definitely order a copy of the magazine if you could answer these questions for me (meth labs are starting to become a real problem here, too).
Anyway, thanks for listening to my rambling.