The Indonesian military detained four soldiers on March 18 suspected of involvement in an acid attack that severely injured rights activist Andrie Yunus, deputy coordinator of the human rights organization KontraS. The detention represents a significant development in the investigation of the attack that occurred when Yunus was riding a motorcycle and was approached by assailants on a scooter who threw acid in his face. Yunus suffered severe injuries to his face, right eye, hands, and torso. The military police detention of four soldiers from the armed forces’ intelligence unit followed police investigations that identified multiple suspects through CCTV footage analysis. The incident has drawn international condemnation from UN officials and human rights organizations, with investigators attempting to determine whether the attack was politically motivated by Yunus’s vocal criticism of increased military influence in Indonesian government under President Prabowo Subianto’s administration. The case highlights concerns regarding democratic deterioration, activist intimidation, and potential connections between military and civilian actors in the attack.
Acid Attack on Rights Activist Andrie Yunus
Rights activist Andrie Yunus was attacked with acid while riding a motorcycle when two assailants on a scooter approached him and threw acid in his face and body. Yunus, who serves as deputy coordinator of KontraS, a prominent Indonesian human rights organization, suffered severe injuries requiring intensive medical care. The most critical injury occurred to Yunus’s right eye, with doctors providing specialized treatment in an intensive care facility.
The attack occurred after Yunus had completed recording a podcast discussing military influence expansion in Indonesian government, a topic he has consistently criticized as a vocal advocate for human rights and democratic governance. The timing and nature of the attack raised immediate concerns among human rights organizations regarding whether the assault was politically motivated retaliation against Yunus’s activism.
The KontraS organization released a statement documenting the attack and calling for investigation and accountability. The severity of Yunus’s injuries, particularly the damage to his eye that threatens his vision, underscores the brutality of the assault.
Police Investigation Identifies Multiple Suspects
Indonesian police investigating the acid attack identified multiple suspects through analysis of CCTV footage recorded in the area where the attack occurred. Jakarta police official Iman Imanuddin reported that CCTV recordings showed four suspects on two scooters following Yunus before the attack, suggesting the assault was premeditated and involved coordinated planning.
Police also conducted forensic testing on a motorcycle helmet and container allegedly containing the acid used in the attack, gathering physical evidence to support prosecution efforts. The investigative work identified two additional suspects with initials BHC and MAK whose faces were visible in CCTV recordings released publicly on March 18.
Authorities acknowledged investigating the relationships between suspects, with police official Imanuddin stating that police would corroborate their findings with military authorities regarding potential connections between the civilian suspects and the four detained soldiers.
Military Police Detention of Four Soldiers
The Indonesian military police detained four soldiers from the armed forces’ intelligence unit on suspicion of involvement in or links to the acid attack. Armed forces commander Yusri Nuryanto announced the detention at a press conference on March 18, stating that an internal military investigation had discovered “some irregularities” that prompted the detention decision.
Nuryanto identified the detained soldiers by their initials as NDP, SL, BHW, and ES, without providing detailed information regarding their alleged specific roles or involvement in the attack. The soldiers were transferred to a maximum security detention facility in Jakarta pending ongoing investigation.
Nuryanto stated that military authorities remained investigating the motives of the four detained soldiers and their potential connections to the acid attack. The involvement of military personnel in investigating or potentially coordinating the attack raised significant concerns regarding potential connections between state security apparatus and violence against activists.
Investigation Complexity and Questions Regarding Coordination
The investigation revealed complexity regarding the involvement of both civilian and military suspects in the acid attack. Police released CCTV footage showing two civilian suspects (BHC and MAK) whose identities and backgrounds remained under investigation. Simultaneously, military authorities detained four soldiers from intelligence units on suspicion of involvement or coordination.
The relationships between the civilian suspects and the four detained soldiers remained unclear as of March 18, with police officials acknowledging that investigations were attempting to determine whether military personnel coordinated or sponsored the civilian attack.
The potential involvement of military intelligence units raised particularly serious concerns regarding whether state security apparatus had participated in attacking a civilian activist critical of military government influence.
Context of Military Influence and Democratic Backsliding
Andrie Yunus’s activism has focused on criticizing the expanding role of the military in Indonesian political and governmental structures. Under President Prabowo Subianto, an ex-general who assumed office in 2024, Indonesia has experienced what international observers characterize as democratic deterioration.
Human Rights Watch reported in its latest assessment that Indonesia “has undergone further democratic backsliding, crackdowns on protests, media censorship, and intimidation of activists” under Subianto’s administration. The environment of political restrictions creates context in which attacks on vocal activists become particularly concerning as potential state-sponsored intimidation.
Yunus’s criticism of military expansion in government, expressed through podcasts and activism, directly challenged government policies under an administration led by a former military commander. The attack on Yunus occurred in this context of political tension regarding military influence.
International Condemnation and Human Rights Response
UN High Commissioner for Human Rights Volker Turk expressed being “deeply concerned” by the “horrific” acid attack and called for accountability of perpetrators. Turk stated that “those responsible for this cowardly act of violence must be held to account” and emphasized that human rights defenders “must be protected in their vital work and able to raise without fear issues of public concern.”
UN special rapporteur on human rights defenders Mary Lawlor called for a thorough investigation into the “unacceptable” attack, emphasizing international concern regarding violence against activists.
Human Rights Watch highlighted the attack as occurring within a broader pattern of democratic deterioration under Prabowo Subianto’s government, characterizing it as part of systematic crackdowns on dissent and activist intimidation.
Indonesia’s Minister for Law and Human Rights Yusril Ihza Mahendra vowed that perpetrators would be brought to justice, indicating government commitment to investigation and prosecution.
Conclusion:
The detention of four military soldiers suspected of involvement in the acid attack on rights activist Andrie Yunus represents a significant development in investigating violence against civilian activists in Indonesia. The attack’s severity, combined with evidence suggesting premeditated coordination among multiple suspects and potential military involvement, raises serious concerns regarding whether state security apparatus participated in intimidating activists critical of government policies. The investigation’s revelation of both civilian and military suspects indicates potential coordination between state military units and civilian attackers. International condemnation emphasizes concern regarding democratic deterioration and activist safety in Indonesia under President Prabowo Subianto’s administration. The case underscores broader patterns documented by human rights organizations of crackdowns on protests, media censorship, and systematic intimidation of activists within Indonesia’s deteriorating democratic environment. Resolution of the investigation and accountability for perpetrators will be critical in demonstrating Indonesian government commitment to protecting activists and preserving democratic space for dissent and human rights advocacy.






