I have seen this first hand myself. You cannot imagine it. They will listen in your house, and drive cars by revving engine when you or family members talk about it.
It took me years to realize the government works nothing like you think. They have literally rebuilt the East German Stasi in the US, complete with Zersetzung operations for those who oppose the machine.
There are several here on Free Republic who have also encountered it.
You can see my tagline to see what she was confronted by.
I think how well the world’s Western government took the members of the Nazi party and had them infiltrate their own governments as a hedge against the Soviet Union has been pretty seamless.
The only people who did not get away were nameless soldiers and the known faces of the Nazi party. The real powers behind the party became our governments and heads of bureaucracies.