premise: Four Russian officers of the GRU are escorted to their flight after being expelled from the Netherlands on April 13, 2018, for allegedly trying to hack into the network of the Organization for the Prohibition of Chemical Weapons, a U.N. watchdog agency. (Dutch Defense Ministry)
hypothesis: The GRU hacked into the United States pentagon.
reason: The article talks about the hack into the network of the Organization of the Prohibition of Chemical Weapons.