No. Never heard of it. And since after 9 minutes, this thread is now the
number one google search result for it, I'm guessing not many others have either.
Besides you in your other thread - www.abovetopsecret.com... I have not heard a story with black liquid, but I know it is
common for people who report being abducted to say they were tested on or had tubes shoved down their throat etc, so yes it is a common theme.
Raud is right, X-files did shows about some kind of black oil or black liquid that would be injected or enter into people and it would turn their eyes
black