In a regional, national and global response to terrorism, the emphasis necessarily lies on preventing the next terrorist act. Yet, with prevention comes prediction: the need to identify and detain those considered likely to engage in a terrorist act in the future. The detention of suspected terrorists is intended, therefore, to thwart a potential terrorist act recognising that retrospective action is of no consequence given the severity of terrorist crime. Although preventative steps against those reasonably suspected to have an intention to commit a terrorist act is sound...