This study aims to determine: 1) obtain data about the constraints experienced investigators Polda Kalbar in law enforcement criminal cases forest and land fires, 2) disclose and analyze the efforts that have been made by investigators Polda Kalbar in order to overcome the constraint problems in law enforcement criminal cases forest and land fires.This research was conducted by the research subject is the Directorate of Criminal Investigation Special (Ditkrimsus) Polda Kalbar. The research object is PT. Rajawali Perkasa Jaya. Data collection methods used were interviews, questionnaires, documentation and direct observation. Then, in a qualitative analysis.The results showed that the investigation of fires was believed to be diareal plantation PT. Rajawali Jaya Perkasa (PT. RJP) is located in Teluk Binjai Sungai Dusun Month Sungai Raya Kubu Raya with the area burned and the existing palm trees on top of 5 hectares. Then the case is conducted further investigation with the presupposed article is Article 108 and Article 99 paragraph (1) Jo. Article 116 of Law Number 32 of 2009 on the Protection and Management of the Environment and or Article 188 of the Criminal Code. In the process of the investigation, Investigator difficulty in uncovering the arsonists that cause forest fires and land area under oil palm plantations. The difficulties include the absence of a witness who saw the arsonists, then based on the testimony of witnesses and expert witnesses burned areas are outside the IUP owned by PT. RJP, so that the chapters which presupposed not fulfilled its elements.From the analysis of the case that the outcome of his case was held on March 10, 2016 by Warrant Dirreskrimsus Polda Kalbar Number: Sprin / 41 / III / 2016 dated March 7, 2016 which is the basis for the issuance of Warrant Termination of Investigation (SP3) cases of forest fires Hamlet Gulf Sungai Binjai Month Sungai Raya Kubu Raya is not right, because:a. Administration of the investigation there is no rapprochement between the crime scene investigation and police reports made under Article 11 (1) and Article 13 paragraph (3) Police Regulation No. 14 Year 2012 concerning the Crime Investigation Management.b. b. The results of the examination of 17 (seventeen) witnesses and expert witnesses show partiality to the PT. Rajawali Perkasa Jaya, while the Village Head Moon River village head both old and new as well as former Rural Development Section Head of the River Months knew about sengekta the boundary between plantation companies and local communities are not tested.That the juridical and technical efforts that law enforcement needs to be done in the process of his case conducted by the Investigation Team Ditreskrimsus Polda Kalbar, needs to be brought witnesses both from PT. Rajawali Perkasa Jaya, local community representatives and expert witnesses as part of the process of transparency in the investigation process, so that no polemical or negative opinion of the public on the performance of the investigator.Then Warrant Termination of Investigation (SP3) cases of forest fires Hamlet Teluk Binjai Village Moon River Sungai Raya Kubu Raya can be reopened new evidence2(Novum) concerning the boundary of the area of oil palm plantations that burns between the local population and IUP owned by PT. Rajawali Jaya Perkasa.The need to form teams of independently consisting of Auditor of Inpektorat District Control (Itwasda Polda Kalbar) and other relevant agencies to conduct an investigative audit of the termination of the investigation, so that the termination of the investigation of forest and land fires that occurred in the hamlet of Binjai village of River Moon Sungai Raya Kubu Raya is appropriate or not by the terms of the termination of the investigation.Keywords : Law Enforcement forest firesA B S T R A KPenelitian ini bertujuan untuk mengetahui : 1) ini bertujuan untuk mengetahui : 1) mendapatkan data tentang kendala yang dialami Penyidik Polda Kalbar dalam penegakan hukum kasus tindak pidana pembakaran hutan dan lahan, 2) mengungkapkan dan menganalisis upaya-upaya yang telah dilakukan oleh Penyidik Polda Kalbar guna mengatasi permasalahan kendala dalam penegakan hukum kasus tindak pidana pembakaran hutan dan lahan.