Here's Julian Assange in his final interview before his arrest in London where he briefly mentions such technology being in use. The link starts the video at the question where he speaks on it:

https://youtu.be/5Xh-GweVBUo?t=2908

Here's Julian Assange in his final interview before his arrest in London where he briefly mentions such technology being in use. The link starts at the question where he speaks on it:

https://youtu.be/5Xh-GweVBUo?t=2908