The cause of this correlation phenomena is obvious, at least to me, and affordably testable. BEANS

DARPA Is Developing Implants To Heal Soldiers’ Bodies and Minds link
Verified case in courts of electronic harassment of targeted individual James Walbert with MRIs of implants in the neck and head youtube
NASA Develops System To Computerize Silent, 'Subvocal Speech' sciencedaily
Harold Holt Murder - Gary's CT Scan Images of device in throat (1979) harold-holt.net
Powering micro-implants using high frequency waves extremetech.com
Literal Smart Dust Opens Brain-Computer Pathway to "Spy on Your Brain" activistpost
Scientists use brain imaging to reveal the movies in our mind berkeley.edu
Who is Elisa Lam? (1 hour long) vimeo youtube
http://www.mindjustice.org/200...
Small implants to trigger muscle spasms for remote harassment link
Whats been possible since the 70's link
https://linux.conf.au/wiki/Tin...

Do by invasive surveillance they mean something like what has happened to mean something like what it appears the NSA is involved with for James Walbert. Perhaps some nice extremely invasive tech as described here... http://www.extremetech.com/ext...

Sorry.. http://www.mindjustice.org/ not .com

If you are not familiar with microwave weapons associated with Covert Harassment of political dissidents then try searching for "Targeted Individuals" on YouTube of search for "Electronic Harassment" on youtube or Google and get ready to step into a real twilight zone. You could also check out these sites: http://www.mindjustice.com/ http://www.areyoutargeted.com/