Ereni 2016.2.1 Peter Zwak “the chief of Russian military intelligence, Igor Sergun, who died suddenly on Jan. 3 of a probable heart attack/And I learned that even as Sergun relentlessly directed global intelligence operations against our interests, he — paradoxically — also viewed constant( GRU ロシア アメリカ 安全保障軍事 諜報 フリン 暗殺