http:// truedemocracyparty.net/2012/06/mind-wars-new-mind-control-techniques-and-delivery-methods-digital-tv-haarp-gwen-towers-silent-sound-cell-phone-mind-control-technologies/
I'd wager whoever was killed may have likely been researching what is found in the article linked. It ties into a bunch of topics presented in previous breads too. the frequency shifts are interesting too in how the behavior is changed.