Think about this.
The government is spending hundreds of millions of dollars on SCIFs in order to preserve national secrets.
The State Department's Mahogany Row is a SCIF.
[HRC] violated that environment by taking her BLACKBERRY device into it. Phones are known security risks for their recording capability.
Once told she could not use a BB she decided to create her own email server and placed it in her basement.
It has been found that she shared classified information using that email server.
it is now known that China was receiving a copy of every email she sent and received.
One person was able to make America vulnerable in that way and was deemed by the FBI to be not worth prosecuting.
THIS IS ALL WE NEED TO KNOW
https://phys.org/news/2015-03-secretaries-state.html