This was a very important article written in 2016. I have some personal perspective on the content of this article, but it is only speculation, which I will not share here. At the time this article was written, we were at Defcon 3. Last I checked we are now at Defcon 5.
Below is a You Tube video I kept in my you tube history. He said much more, but I didn’t retain the links, guessing it still exists.