This book is a reference book that contains the results of the researcher's study. The book discusses the viewpoint of thinking towards integration science between local wisdom and national law, theory and application in the field carried out by law enforcers. This book focuses on law enforcement institutions' of criminal law in addressing local wisdom, such as customs and local laws of a region, such as Siri' na Pacce in Indonesia, and its role in providing justice to the community. This research takes a case of premeditated murder caused by feelings of shame and conflict with local wisdom as a basis. Local wisdom is a legacy that must be preserved and protected, but what if it is contrary to the applicable positive criminal law? What is the impact and how is it implemented? All have been thoroughly discussed in this book.