A/HRC/22/45 259. The third communication concerned information regarding the entering into force of the ―Ley del registro nacional de datos de personas extraviadas o desaparecidas‖ (Law of the national register of details of missing or disappeared persons). 260. In the fourth communication, the Government replied to a prompt intervention letter dated 31 January 2012. The Government reported that the Procuraduría General del Estado de Michoacán (Attorney General of the Michoacán State) had conducted an investigation regarding the case of Ms. Barajas Mejia and that this procedure has not yet been able to identify those involved in the harassment. In addition, the Government reported that the presence of public security elements in the neighbourhood was increased and the services of the Unidad de Psicología y Atención a las Victimas del Delito (Psychology and Care to Victims of Crime Unit) of the Attorney General of the Michoacán State were made available to the victim and her family. Finally, the Government highlighted that an investigation was being conducted into the alleged disappearance of a member of Ms. Barajas Mejía‘s family. Information from sources 261. Sources provided information on twelve outstanding cases Press releases 262. On 14 March 2012, the Working Group issued a press release on the occasion of the presentation of the report on its visit to Mexico. The experts, while recognizing the challenges posed by the complex situation in relation to public security in the context of the fight against crime, emphasized that ―there is a chronic pattern of impunity demonstrated by the absence of effective investigations in cases of enforced disappearances‖. Total cases transmitted, clarified and outstanding 263. Since its establishment, the Working Group has transmitted 505 cases to the Government; of those, 28 cases have been clarified on the basis of information provided by the source, 134 cases have been clarified on the basis of information provided by the Government, 16 cases have been discontinued and 327 remain outstanding. Observations 264. The Working Group is seriously concerned that during the reporting period 11 urgent actions, six newly-reported cases, one urgent appeal, four prompt intervention letters, and one press release were transmitted to the Government. The Working Group recalls article 2.1 of the Declaration which states that ―No State shall practise, permit or tolerate enforced disappearances‖, as well as article 3, which provides that ―Each State shall take effective legislative, administrative, judicial or other measures to prevent and terminate acts of enforced disappearance in any territory under its jurisdiction.‖ 265. The Working Group would also like to recall article 7 of the Declaration, which states that ―No circumstances whatsoever, whether a threat of war, a state of war, internal political instability or any other public emergency, may be invoked to justify enforced disappearances‖. 266. The Working Group would also like to remind the Government of its obligations under the Declaration towards the families of the disappeared and in particular of article 13.3 according to which States must take steps to ensure that persons involved in investigations of cases of enforced disappearance, including the complainant, counsel, witnesses and those conducting the investigation, are protected against ill-treatment, intimidation or reprisal. The Working Group would also like to recall that, in its resolution 21/4, the Human Rights Council urged Governments to take steps to provide adequate 79