"... Mysterious death of a British nuclear monitoring expert, ... deemed 'a suicide'...

Declassified, here

"Police in Austria are investigating the mysterious death of a British nuclear monitoring expert. Early news reports said that Timothy Hampton, who worked for an international monitoring unit called the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO), died after falling 12 stories in a building in the Vienna International Center, one of the United Nations' main office complexes in Europe.

Reports said Austrian authorities would order an autopsy. "Everything points towards a suicide, and there are no signs of any third party being involved," a police spokesman, Alexander Haslinger, told the French news agency AFP. Authorities in Vienna have privately indicated to other governments that while suicide is the principal cause of death under investigation, they haven't ruled out the possibility that it could have been an accident or even murder, according to an official source in Washington...."