Those included the collapse of the 1989 espionage investigation of Felix S. Bloch, a State Department employee, as well as the unexplained failures of technical intelligence operations aimed at the Russians.
Such sifting and warrants — in unexplained combination with more conventional intelligence efforts — are now said, by President Obama and his team, to have prevented several dozen potential terrorist attacks, with elliptical references to threats against New York City's subways and stock exchange.
The French and American accidents are adding up to a bizarre pattern, surrounded by strange coincidences and unexplained events, deeply preoccupying Western intelligence.
There has also been a small shake-up in Moscow with Mr. Putin's abrupt and unexplained dismissal of Leonid Reshetnikov, a former Soviet intelligence officer, as head of the Russian Institute for Strategic Studies, a research group that works for the Kremlin.
They, like her, believe there are too many sightings, too many unexplained visitations to not believe in an extraterrestrial intelligence struggling to communicate with our planet.
RD and LI are characterized by unexplained difficulties in written and verbal language, respectively, despite adequate intelligence, educational and socioeconomic opportunity (Pennington & Bishop 2009; Peterson & Pennington 2012).
Yet another American official said that intelligence analysts had considered, and rejected, the hypothesis that the unexplained explosions in Pale had been due to a mortar attack, or other ground fire.
It is logical to assume Iran was striking back for a series of assassinations of its nuclear scientists and unexplained explosions at military facilities, which Tehran has blamed on the Israeli intelligence agency Mossad.
The annual conference of the British UFO Research Association (Bufora), is a gathering of enthusiasts for unexplained aerial phenomena that might, they speculate, be evidence of extra-terrestrial intelligence.
A spokesman for Scotland Yard could not confirm the man's name but said: "The death is being treated as unexplained". The 62-year-old grandfather died amid controversy about his role in the intelligence and business worlds.
