About Article

Aterrorist organization constructing and detonating a nuclear device is often a topic of popular, academic, and political concern. Yet, assessing this risk is a challenging task. This article aims to contribute to the encompassing nature of any future nuclear terrorism threat assess ments by further exploring the often overlooked organizational dimen sion in probability assessments on nuclear terrorism. Particular emphasis is given to the role of the organizational design. In order to do so, this article theoretically builds on a 2017 research article and empirically studies Aum Shinrikyo’s chemical and biological armament activities. This article confirms and further refines the idea of an effec tiveness-efficiency trade-off for a terrorist organization implementing a nuclear armament project. It particularly zooms in on the constraints that follow from the covert nature of this type of plot and elaborates on the role of Aum Shinrikyo’s value-rationality