Gambetta and Hertog find that “the share of radical Islamic engineers is no less than nine times greater than the share we could expect if the proneness of engineers to radicalize was the same as that of the male adult population.” (Tyler blogged this paper several years ago.)
Here is the latest bit of evidence:
Mr. Abdulmutallab grew up in a rarefied slice of Nigeria, the son of an affluent banker. He attended one of the West Africa’s best schools, the British School of Lomé in Togo. After high school, he went to Britain and enrolled at the University College London to study engineering.