I don't know about any being underground buy why the hell would a company develop flavors from fetal kidney tissue? I have a theory that by getting us to eat human tissue they are trying to corrupt our souls (make us like them), little steps that take away parts of us.
sauce:
https:// www. lifesitenews.com/blogs/confused-about-the-pepsi-fetal-cell-issue-here-are-the-facts