By <a href="https://firstlook.org/theintercept/staff/glenn-greenwald/">Glenn Greenwald</a><br><br><a href="https://firstlook.org/theintercept/2014/02/24/jtrig-manipulation/">One of the many pressing stories that remains to be told from the Snowden archive is how western intelligence agencies are attempting to manipulate and control online discourse with extreme tactics of deception and reputation-destruction. It’s time to tell a chunk of that story, complete with the relevant documents.</a><br><br>Over the last several weeks, I worked with NBC News to publish a <a href="http://investigations.nbcnews.com/_news/2014/01/27/22469304-snowden-docs-reveal-british-spies-snooped-on-youtube-and-facebook?lite">series</a> of <a href="http://www.nbcnews.com/news/investigations/war-anonymous-british-spies-attacked-hackers-snowden-docs-show-n21361">articles</a> about <a href="http://www.nbcnews.com/news/investigations/snowden-docs-british-spies-used-sex-dirty-tricks-n23091">“dirty trick” tactics</a> used by GCHQ’s previously secret unit, JTRIG (Joint Threat Research Intelligence Group). These were based on <a href="http://msnbcmedia.msn.com/i/msnbc/Sections/NEWS/snowden_youtube_nbc_document.pdf">four</a> <a href="http://msnbcmedia.msn.com/i/msnbc/sections/news/snowden_anonymous_nbc_document.pdf">classified</a> <a href="http://msnbcmedia.msn.com/i/msnbc/sections/news/snowden_cyber_offensive2_nbc_document.pdf">GCHQ</a> <a href="http://msnbcmedia.msn.com/i/msnbc/sections/news/snowden_cyber_offensive1_nbc_document.pdf">documents</a> presented to the NSA and the other three partners in the English-speaking <a href="http://www.theatlantic.com/politics/archive/2013/06/is-the-five-eyes-alliance-conspiring-to-spy-on-you/277190/">“Five Eyes” alliance</a>. Today, we at the Intercept are publishing <a href="https://firstlook.org/theintercept/document/2014/02/24/art-deception-training-new-generation-online-covert-operations/">another new JTRIG document</a>, in full, entitled “The Art of Deception: Training for Online Covert Operations.”<br><br><a href="https://firstlook.org/theintercept/2014/02/24/jtrig-manipulation/">READ MORE ON THE INTERCEPT</a>