CAT/C/SLE/CO/1 The State party should compile statistical data relevant to the monitoring of the implementation of the Convention at the national level, including data on complaints, investigations, prosecutions and convictions in cases of torture and ill-treatment, deaths in custody, extrajudicial killings, enforced disappearances, sexual and genderbased violence, including domestic violence, human trafficking, ritual murders, lynching, criminal conduct related to harmful traditional practices, as well as on means of redress provided to victims, including compensation and rehabilitation, and on refugee and asylum applications, the prevalence of female genital mutilation and the number of persons detained and convicted. Other issues 32. The Committee recommends that the State party ratify the Optional Protocol to the Convention. It also recommends that the State party make the declarations provided for in articles 21 and 22 of the Convention in order to recognize the competence of the Committee to receive and consider communications. 33. The Committee invites the State party to ratify the core United Nations human rights treaties to which it is not yet a party, namely, the International Convention for the Protection of All Persons from Enforced Disappearance, the International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families and the Second Optional Protocol to the International Covenant on Civil and Political Rights. In addition, the State party should consider becoming a party to the Convention relating to the Status of Stateless Persons (1954) and the Convention on the Reduction of Statelessness (1961). 34. The State party is requested to disseminate widely the report it submitted to the Committee and the Committee’s concluding observations, in appropriate languages, through official websites, the media and non-governmental organizations. 35. The Committee requests the State party to provide, by 23 May 2015, follow-up information in response to the Committee’s recommendations related to (a) ensuring or strengthening legal safeguards for persons in detention; (b) conducting prompt, impartial and effective investigations into cases of the involvement of members of law enforcement agencies in unlawful killings; and (c) prosecuting suspects and sanctioning perpetrators of torture or ill-treatment, as specified in paragraphs 11, 13 and 28 (b) of the present concluding observations. In addition, the Committee requests follow-up information on the regulation of the absolute prohibition of torture in the Constitution and the use of alternative measures of detention, as contained in paragraphs 10 and 24 of the present concluding observations. 36. The State party is invited to submit its next report, which will be its second periodic report, by 23 May 2018. For that purpose, the Committee invites the State party to agree, by 23 May 2015, to report under its optional reporting procedure, which entails the transmittal, by the Committee to the State party, of a list of issues prior to the submission of the report. The State party’s response to this list of issues will constitute, under article 19 of the Convention, its next periodic report. 14