Domestic Surveillance facts

While investigating facts about Domestic Surveillance Definition and Domestic Surveillance Pros And Cons, I found out little known, but curios details like:

Warrantless bulk US domestic surveillance is up for reauthorization this year

how much does the nsa spend on domestic surveillance?

What makes domestic surveillance a constitutional issue?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is domestic surveillance definition. Here are 1 of the best facts about Domestic Surveillance Camera and Domestic Surveillance Program I managed to collect.

what is domestic surveillance?