“Plain clothed police” is a euphemism, and in other countries they are called “secret police”

In all of human history? Well, before the invention of money, I don’t know. But after the invention of money? Other humans.

While you are free to say what you want, you don’t have the freedom from consequences of what you say, except from being critical of the government. I think that’s the point he was trying to make, but he wasn’t very articulate about it.

But there still are limited restriction, for example you can’t talk about (or even look at) any classified information you come across. And whistle blowing has become all but illegal.

The more money you have the more innocent you are. Billionaires are basically the most innocent people in society, while the poor are most guilty.