I heard about this from Uninstall media, a member at Fakeologist.com, on the August 26, 2015 Fakeologist Conference Call audio:
Uninstall media on Virginia Shooting Hoax MP3
Uninstall media on Virginia Shooting Hoax Fakeologist.com Blog Post
You can't just improvise Psyops. You have to plan them out, especially the fakery. You don't want to stage a Psyop and have no planning for it.