During the last US administration, the CIA sent a team of analysts to Moscow armed with credible information about the Islamist threat posed to Russia by citizens of Central Asian states who had joined Isis in Iraq and Syria.
Instead of heeding their calls, the Russian side accused the US of itself supporting Isis. They offered the CIA a list of names of terror suspects — all of whom were Russian political dissidents living in exile in Europe.
For Douglas London, a retired CIA operations officer who sent that team to Moscow a few years ago, the events leading up to the March 22 attack on the Crocus City Hall concert venue this year — in which 144 people were killed — were all too familiar.
您已閱讀9%（696字），剩余91%（6887字）包含更多重要信息，訂閱以繼續探索完整內容，并享受更多專屬服務。