Dutch authorities have photographs of four Russian military intelligence (GRU) operatives arriving at the Amsterdam airport last April, escorted by a member of the Russian embassy. They have copies of the men’s passports — two of them with serial numbers one digit apart. Because they caught them, red-handed, inside a car parked beside the Organization for the Prohibition of Chemical Weapons in The Hague — the GRU team was trying to hack into the OPCW WiFi system — Dutch authorities also confiscated multiple phones, antennae and laptop computers.

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