Weapons that affect the central nervous system I hope never get used and that includes in any form of vertebrate pest control.

Mayhem just became unimaginable. Russia is currently working on weapons that employ electromagnetic radiation to directly affect the central nervous system – the root of all sensory processing – in a variety of unpleasant ways.  

Even SKUNK made the list!

So did microwave , loud noises and many forms of radiation!

http://www.tested.com/tech/456713-terrifying-weapons-attack-senses/