The Rise and Fall of the Intelligence Agency

CNN's John Defterios takes a look at how intelligence agencies got into the disinformation business. He says it started in earlier theories of warfare, and particularly in hybrid warfare. In 2014, Russia invades Crimea, there's the Euromaidan movement in Ukraine that the US backs and Russia opposes,. And then there is the ISIS capture of Mosul and declaration of its caliphate in Mosul.Defterios: The military campaign was accompanied by a social media campaign.