For decades, Changelings have slithered their way into Equestria, but after their existence is proven, the government takes a drastic measure to ensure their eradication.

The image is a diagram of the chemical structure of the nerve agent known as VX in case anyone was wondering.

Of all the routes I could have taken with a biological nerve agent I had to take the cliche route. This story is bleh in terms of plot, and I am aware of that. I may be revisiting a nerve agent driven story later, but for now, read this for what not to do on a changeling story.