Abstract: Decision of the Constitusional Court of the Republic of Indonesia Number 20/PUU-XIV/2016 has given the interpretation of the Article 5 (1), 5 (2) and 44b Law of The Republic Indonesia Number 11 of 2008 Concerning Electronic Informations and Transactions has given negatif implication for the law of criminal procedure because theelectronic evidence in practice is so important for uncovering the truth of the material in the trial. The purpose of this research are 1) to analyze of urgency of electronic evidence to seeking the thruth of the material by judge 2) to analyze the juridical implications ofDecision of the Constitusional Court of the Republic of Indonesia Number 20/PUU-XIV/2016 againts the validity of the electronic evidence ...