Is Anthrax X a real bacteria used to kill people?

In an article i had read at school, I read that Anthrax X is a disease that can kill people. I need to use details from the article to write a brief for the Supreme Court. i don't know if the article is real, but i want to know if Anthrax X is a real disease.

Is Anthrax X a real bacteria used to kill people?
Anthrax is real and found in nature. That X is just used as a way to make a point. Anthrax has been made into a weapon by many governments.
Reply:Unfortunately, Anthrax is all too real. They had it back in the early 1800's when this country was still being settled. There were many farmers and ranchers who would lose their cattle and horses along with other stock animals to anthrax.