A/RES/69/194 United Nations Model Strategies and Practical Measures on the Elimination of Violence against Children in the Field of Crime Prevention and Criminal Justice (d) To ensure that child-sensitive investigation procedures are adopted and implemented so as to ensure that violence against children is correctly identified and to help provide evidence for administrative, civil and criminal proceedings, while according due assistance to children with special needs; (e) To develop and implement policies and appropriate responses regarding the investigation and collection of evidence, in particular bodily samples, that take into account the needs and views of child victims of violence in accordance with the age and maturity of child victims, respect their dignity and integrity and minimize intrusion into their lives, while abiding by national standards for the collection of evidence; (f) To ensure that the persons investigating alleged incidents of violence against children have the duty, powers and necessary authorization to obtain all the information necessary to the investigation, in accordance with criminal procedure as laid out in national law, and have at their disposal all the budgetary and technical resources necessary for effective investigation; (g) To ensure that great care is taken to avoid subjecting a child victim of violence to further harm through the process of the investigation, including by inviting and giving due weight to the child’s views in accordance with the age and maturity of the child and adopting child-sensitive and gender-sensitive investigation and prosecution practices; (h) To ensure that decisions on the apprehension or arrest, detention and terms of any form of release of an alleged perpetrator of violence against a child take into account the need for the safety of the child and others related to the child, and that such procedures also prevent further acts of violence. VII. Enhancing cooperation among various sectors 23. Acknowledging the complementary roles of the criminal justice system, child protection agencies, health, education and social service sectors and, in some cases, informal justice systems in creating a protective environment and preventing and responding to incidents of violence against children, Member States are urged, as appropriate: (a) To ensure effective coordination and cooperation among the criminal justice, child protection, social welfare, health and education sectors in detecting, reporting and responding to violence against children and protecting and assisting child victims; (b) To establish stronger operational links, particularly in emergency situations, between health and social service agencies, both public and private, and criminal justice agencies for the purposes of reporting, recording and responding appropriately to acts of violence against children, while protecting the privacy of child victims of violence; (c) To establish stronger links between informal justice systems and justice and child protection institutions; (d) To develop information systems and inter-agency protocols to facilitate the exchange of information and enable cooperation in identifying incidents of violence against children, responding to them, protecting child victims of violence and holding perpetrators accountable, in accordance with national laws on data protection; 16/29