A/RES/72/196 Strengthening the United Nations crime prevention and criminal justice programme, in particular its technical cooperation capacity 54. Requests the United Nations Office on Drugs and Crime to continue to develop, in close cooperation with Member States, technical and methodological tools and trend analyses and studies to enhance knowledge of crime tre nds and support Member States in designing appropriate responses in specific areas of crime, in particular in their transnational dimension, taking into account the need to make the best possible use of existing resources; 55. Encourages Member States to take relevant measures, as appropriate to their national contexts, to ensure the diffusion, use and application of the United Nations standards and norms in crime prevention and criminal justice, including the consideration and, where they deem it necessary, dissemination of existing manuals, handbooks and capacity-building material developed and published by the United Nations Office on Drugs and Crime; 56. Requests the United Nations Office on Drugs and Crime, in collaboration and close consultation with Member States and within existing resources, to continue to support the enhancement of capacity and skills in the field of forensic sciences, including the setting of standards, and the development of technical assistance material for training, such as manuals, compilations of useful practices and guidelines and scientific and forensic reference material, for law enforcement officials and prosecution authorities, and to promote and facilitate the establishment and sustainability of regional networks of forensic science providers in order to enhance their expertise and capacity to prevent and combat transnational organized crime; 57. Requests the Secretary-General to submit a report to the General Assembly at its seventy-third session on the implementation of the mandates of the United Nations crime prevention and criminal justice programme, reflecting also emerging policy issues and possible responses. 73rd plenary meeting 19 December 2017 18/18 17-23196