Iran nuclear scientist dead: mysterious recent deaths and disappearances

A steady drumbeat of killings has claimed the lives of five Iranian nuclear scientists since 2007, along with the head of the country's ballistic missile programme. Meanwhile, other senior figures have simply disappeared:

http://www.telegraph.co.uk/news/worldnews/middleeast/iran/9007304/Iran-nuclear-scientist-dead-mysterious-recent-deaths-and-disappearances.html