Controversial GCHQ Unit Engaged in Domestic Law Enforcement, Online Propaganda, Psychology Research Prison Planet.com Posted on June 23, 2015 Posted in Aggregated No Comments Tagged with World News Glenn Greenwald | Involved in efforts against political groups it considers “extremist”. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email