<![CDATA[The use of circumstantial evidence in criminal proceedings raises fundamental questions concerning the standard of proof, judicial inference, and the protection of defendants against conviction based on speculation. These concerns are particularly significant in premeditated murder cases, where direct evidence of the defendant's intention and participation may be unavailable. This study examines Supreme Court Decision No. 498 K/PID/2017 concerning Jessica Kumala Wongso to analyse the legal strength of circumstantial evidence in establishing criminal responsibility for premeditated murder. The official Supreme Court case directory records the decision as a murder case in which the defendant was convicted under Article 340 of the Indonesian Criminal Code. This research aims to identify the types of indirect evidence relied upon by the courts and to assess how individual evidentiary circumstances are combined to establish a coherent chain of proof. A normative juridical method is applied through statutory, conceptual, and case approaches. The study focuses on evidentiary principles, judicial inference, and the relationship between individual circumstantial facts and the ultimate conclusion concerning guilt. The analysis argues that circumstantial evidence may possess substantial probative value when multiple independent circumstances mutually reinforce one another and exclude reasonable alternative explanations. Nevertheless, judicial reasoning must clearly demonstrate the logical connection between each evidentiary fact and the elements of the offence. The study concludes that transparent reasoning is essential to ensure that circumstantial evidence operates as a legally structured form of proof rather than subjective judicial inference.]]>
