Self-defence Duress Necessity Loss of control Consent inc. Firstly it will find out that in which category of the particular case will fall. In systems of proof based on the English common law tradition, almost all evidence must be sponsored by a witness , who has sworn or solemnly affirmed to tell the truth. Furthermore, the technical rules on evidence are not binding on the fiscal who has jurisdiction and control over the conduct of a preliminary investigation. The burden of proof placed on the Prosecution arises from the presumption of innocence in favor of the accused that no less than the Constitution has guaranteed. Relevant to the topic of your paper.