根据2004年2月11日BBC电视台的专题节目“Access to Evil”的报导,朝鲜曾将有毒卷心菜提供给囚犯食用试验,导致囚犯吐血不止以及肛门出血后死亡。并且朝鲜存在一种实验室,实验室裡分别都装备有毒气、窒息气体和血液实验设备,囚犯们则为实验的对象。會寧第22號管理所集中营监狱警备前负责人权革(권혁)描述道他曾亲眼目睹了一个父母和一子一女的家庭死于窒息气体,而父母拼上了最后一口气也要试图通过人工呼吸来拯救他们的孩子[3]。
^Antony Barnett, "Revealed: the gas chamber horror of North Korea's gulag" (页面存档备份,存于互联网档案馆), Guardian Unlimited, January 1, 2004, archived March 14, 2018, at archive.today.
^ David Hawk, The Hidden Gulag, Second Edition (Washington, DC: Committee for Human Rights in North Korea, 2012), May 11, 2021, at the Wayback Machine.
^Within prison walls. BBC News. 2004-01-30 [2012-04-15]. (原始内容于2017-08-08) (英语).
^Ryall, Julian. Defector says North Korea tests germ warfare on disabled. The Age. 4 July 2015. (原始内容于2015-07-17).
^Johnson, John. Defector may reveal human experiments in North Korea. USA Today. 4 July 2015. (原始内容于2019-12-01).