Robert Ward CBE KC (Hon) is a barrister who has had an extensive career as a government lawyer specialising in national security matters. Robert was formerly a lecturer in law at the University of Cambridge. He is currently a Commissioner of the Criminal Cases Review Commission. Robert is co-author of Rook and Ward on Sexual Offences Law and Practice. David Blundell KC is an experienced practitioner in the national security field and in public law more generally. He has been involved in many of the most significant national security cases in the last decade, in particular Shamima Begum's appeal against deprivation of her British nationality, from the preliminary issues appeal in the Supreme Court to the substantive appeal in SIAC. David co-edits the leading public law journal Judicial Review and is Consultant Editor of the Halsbury's Laws volume on London Law. He has published extensively on public law topics in Judicial Review and elsewhere and contributed chapters to a range of works including on human rights.