A/HRC/13/42* page 36 instance, in response to a question by the Human Rights Committee in November 1990 about the secret detention centres of Qal’at M’Gouna and Tazmamart, the Moroccan delegation replied that “these prisons are not on any list held in the prison administration division at the Ministry of the Interior”.114 Cells in some police stations or military barracks, as well as secret villas in the Rabat suburbs, were also allegedly used to hide the disappeared.115 Until 1991, the Government of Morocco not only denied any knowledge of these disappeared and their whereabouts, but also their existence.116 The Equity and Reconciliation Commission considered some of the cases of secret detention occurring between 1936 and 1999.117 In its submission concerning the present report, the Government of Morocco stated that all cases of enforced disappearances registered in Morocco had been considered by the Commission and that, in most of these cases, compensation had been granted. 77. In its opinion No. 8/1998, adopted in 1998, the Working Group on Arbitrary Detention addressed several cases of individuals suspected of acts of terrorism being held in secret detention facilities run by Israeli forces since the late 1980s.118 78. In 1998, the Working Group on Enforced or Involuntary Disappearances received and transmitted to the Government of Yemen numerous cases of secret detentions and enforced disappearances in the context of counter-terrorism operations in the country since the period between January and April 1986. Other sporadic cases of secret detention were brought to the attention of the United Nations human rights bodies and mechanisms with regard to Egypt,119 Saudi Arabia,120 the Syrian Arab Republic121 and Tunisia.122 114 Written statement submitted by Amnesty International 8E/CN.4/1996/NGO/26). 115 Report of the Working Group on Enforced or Involuntary Disappearances (E/CN.4/1995/36). 116 In its 2009 visit to Morocco, the Working Group met with people who had been held in secret detention; see A/HRC/31/Add.1. 117 Equity and Reconciliation Commission, summary of its findings, available at the address www.ictj.org/static/MENA/Morocco/IERreport.findingssummary.eng.pdf. 118 E/CN.4/1999/63/Add.1. 119 Working Group on Arbitrary Detention, opinion No. 15/1999, (E/CN.4/2000/4/Add.1). 120 Working Group on Arbitrary Detention, decisions No. 40/1992 ((E/CN.3/1993/24), No. 60/1993 (E/CN.4/1995/31/Add.1 and E/CN.4/1995/31/Add.2) and No. 48/1995 (E/CN.4/1997/4/Add.1). 121 Working Group on Arbitrary Detention, decisions No.1/1994, (E/CN.4/1995/31/Add.1 and E/CN.4/1995/31/Add.2), No. 2/1997 (E/CN.4/1998/44/Add.1). 122 Working Group on Arbitrary Detention, opinion No. 5/1999 (E/CN.4/2000/4/Add.1).