Perlindungan Hukum Bagi Justice Collaborator Dalam Pengungkapan Tindak Pidana Pembunuhan Berencana

The focus of this research is the legal protection of justice collaborators for criminal act of murder in Indonesia in regards to the premeditated murder cases. The main objective is to identify the obstacles faced in providing legal protection for witnesses and victims of murder. The type of the research is normative juridical with statutory and conceptual approaches. The research results concluded that: First, the existence of a justice collaborator is crucial and hence sits under the spotlight in determining the existance of the case, the original timeline of the murder, what tools used by the killer, where the murder took place, to the point where the perpetrators involved in the murder were exposed so that the crime could be completed. Second, the obstacles found in the implementation of legal protection for justice collaborators are those contained in the provisions of the law, the institutional constraints, and the constraints on inter-agency cooperation.