The
National Commission on Human Rights of Indonesia (KOMNAS HAM) announced plans to investigate the incident and the use of tear gas by police. Although FIFA's rules say that tear gas should not be used inside stadiums, the chief of regional police defended its use, citing the threats posed by the rioters to players and officials. Investigators are also examining the role of 18 police officers who operated the tear gas launcher. On 12 October 2022, KOMNAS HAM published their findings. On 14 October 2022, Narasi, an Indonesian independent news office, released a
visual investigation detailing how the disaster unfolded, and highlighting the over-zealous use of tear gas. The account was compiled by Narasi from more than 80 amateur video recordings.
Police Police investigated
CCTV footage from six of the gates at the Kanjuruhan Stadium on 4 October. Gates 3 and 9 to 13 received special attention because the results of a preliminary analysis indicated that most of the victims were at those gates. On 6 October 2022, Head of Indonesian police
Listyo Sigit Prabowo announced six accused. Ahmad Hadi Lukita, the director of PT Liga Indonesia Baru, was charged for his negligence of stadium verification. Abdul Haris, Arema match organising committee chairman, was charged for not fulfilling the obligation of creating a set of safety rules or guidelines for spectators, as well as allowing ticket sales above stadium capacity. Suko Sutrisno, Arema head of security officer, was charged for not creating risk assessment document, and ordering gate stewards to leave stadium gates in the wake of the disaster. Three police officers were also charged: Wahyu Setyo Pranoto, Chief of Operations of Malang Regency Police; Hasdarman, Commander of 3rd Mobile Brigade Company of East Java Police, and Bambang Sidik Achmadi, Head of Prevention Unit of Malang Regency Police. Wahyu was charged for not prohibiting the use of tear gas, despite being aware of its prohibition by FIFA regulations, while Hasdarman and Achmadi were charged for ordering the use of tear gas by their subordinates. They were charged under Articles 359 and 360 of the
Indonesian Criminal Code, as well as Article 103 juncto Article 52 of Indonesian Law No. 11/2022 on Sports. On 10 October 2022, police admitted using expired tear gas. The fact-finding team submitted tear gas samples to
National Research and Innovation Agency (BRIN) to analyze tear gas used by police to find possible toxins or other compounds in the tear gas, to determine the compounds causing injury or death of the victims. The tear gas samples originated from three separate Police stockpiles, from
Brimob, Samapta Corps, and Malang Regency Police. Due to expired tear gas issue, the parents of two victims who died in the tragedy submitted a request for a re-autopsy on the bodies of their daughters, the father questioning the cause of the death of his two daughters. On 15 November 2022, The East Java Police called Dr. Harun, a doctor from Wava Husada Hospital, Kepanjen, to present evidence against the suspects for violating the Indonesian Criminal Code articles 359 and 360, which deal with causing someone to suffer a serious injury or death caused by negligence, as well as Article 103 Paragraph 1 in conjunction with Article 52 Indonesian Law number 11/2022 on sports,
Joint fact-finding team On 3 October 2022, a joint independent fact-finding team, headed by the Coordinating Minister for Political, Legal, and Security Affairs
Mahfud MD and Minister of Youth and Sports
Zainudin Amali, was formed. No members of the
Football Association of Indonesia (PSSI) joined the fact-finding team. On 14 October 2022, the fact-finding team submitted a 124-page final report on the investigation to the president. While the full report was classified at that time, a summary and excerpt of the report was made available. The report put blames six parties involved in the incident: PSSI, LIB, match organizing committee, match security officers, the Police and Indonesian Army, and Arema supporters. On the other hand, PSSI refused to do the joint fact-finding team recommendation for PSSI to reshuffle the management through the Extraordinary Congress (KLB). PSSI claimed those were recommendations only. On 28 October 2022, PSSI executive commissioners announced that they would hold an extraordinary congress, after club representatives and members of PSSI invoked Article 34 of the PSSI Statute. At the time of the fact-finding team announced the final report, BRIN had not yet finished analysis of the tear gas samples and was still assessing the toxicity and performing complete toxin profiling. Nonetheless, the BRIN report produced and later submitted as addendum of the fact-finding team's final report, the fact-finding team insisting that the high concentration of the tear gas was the main cause of the injury and death. On 21 October 2022, the tear gas laboratory analysis results were submitted to TGIPF by BRIN. However, TGIPF through Mahfud MD was hesitant to publish the findings to public. According to Mahfud, TGIPF came to the conclusion that the root cause of the panic that resulted in the deaths of hundreds of people was tear gas. Due to delays in the report's release, Aremania held a protest on 27 October 2022 demanded many things including the release of the BRIN report. On 15 November 2022, TGIPF released a statement that the BRIN report was reserved for investigative and prosecutorial purposes. The report was also submitted for the case submission; thus, the release of the report to the public is unlikely. The fact-finding team also found CCTV footage at Kanjuruhan Stadium which was thought to be deleted, indicating a possible cover-up attempt. The footage came from the main lobby and parking area with a duration of 3 hours 21 minutes. The declassified, 164-page final full report of TGIPF eventually released to public sometime later in late October 2022, although the extent of the
redaction, information addition, and difference between the 124-page version of TGIPF report submitted to the president and that 164-page version which available to public, if any, are unknown.
Autopsies On 5 November 2022, an independent team from the Indonesian Forensic Doctors Association performed
autopsies on the bodies of two disaster victims after they were postponed. The victim's family said that the police had intimidated them. took place at the Sukolilo, Wajak public cemetery. On 30 November 2022, Indonesian Forensic Doctors Association announced the conclusion of the autopsies in Airlangga University. They stated that the victims' lungs did not contain any tear gas residue. Instead, the two victims' deaths were due to bleeding and fractures of the rib and chest. They also stated that the corpse had decomposed when they took the samples. The victim's lawyer claims that when the victims were found in the disaster, they had blackened faces, foam flowing from their mouths, and were dripping urine. ==Trial==