LIST OF ABBREVIATIONS BVerfGE Decisions of the Federal Constitutional Court CAT Convention against Torture and other Cruel, Inhuman or Degrading Treatment or Punishment CCTV closed-circuit television CPT European Committee for the Prevention of Torture and Inhuman or Degrading Treatment or Punishment EU European Union OPCAT Optional Protocol to the Convention against Torture and other Cruel, Inhuman or Degrading Treatment or Punishment OJ Official Journal of the European Union PTSD post-traumatic stress disorder SPT UN Subcommittee on Prevention of Torture and other Cruel, Inhuman or Degrading Treatment or Punishment UN United Nations 6