Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Mass surveillance:

"

Most East German citizens were well aware that their government was spying on them, which led to a culture of mistrust: touchy political issues were only discussed in the comfort of their own four walls and only with the closest of friends and family members, while widely maintaining a façade of unquestioning followership in public.[citation needed]