Economy June 10, 2026 06:16 AM

Indonesian Military Court Hands Jail Terms to Four Officers Over Acid Attack on Rights Activist

Court finds officers guilty of premeditated assault; judges say attack was not ordered through a chain of command

By Maya Rios
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An Indonesian military tribunal on Wednesday convicted four military intelligence officers for their roles in an acid attack that severely injured rights campaigner Andrie Yunus. Sentences ranged from one and a half to three years in prison; the two most heavily sentenced officers were also dishonourably discharged. Judges said the assault was carried out on the defendants' own initiative and was not directed through military command channels.

Indonesian Military Court Hands Jail Terms to Four Officers Over Acid Attack on Rights Activist
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Key Points

  • Four military intelligence officers were convicted of serious premeditated assault for an acid attack on KontraS deputy coordinator Andrie Yunus; sentences ranged from 1.5 to 3 years, with the two heaviest sentences accompanied by dishonourable discharge - sectors affected: defence and public sector governance.
  • Judges stated the attack was carried out on the defendants' own initiative and was not ordered through a chain of command; prosecutors had sought uniform 2.5-year terms for all defendants - sectors affected: legal and judicial oversight.
  • The case prompted institutional consequences and criticism: the military intelligence chief resigned in March as an act of responsibility, while rights groups described the verdict as insufficient and called for civilian trial jurisdiction - sectors affected: human rights advocacy and public trust in institutions.

An Indonesian military court on Wednesday sentenced four officers to prison terms for their participation in an acid attack on a rights activist who has campaigned against an expanding military role in civilian affairs.

Judge Fredy Ferdian announced the penalties, assigning the harshest sentence of three years to one defendant. A second officer received two and a half years, a third was given two years and a fourth was sentenced to one and a half years. Ferdian said the first and second defendants would additionally be dishonourably discharged from the armed forces. He told the court that the violent act had not been driven by any "chain of command."

The four were found guilty of serious premeditated assault after attacking Andrie Yunus, identified in court as a deputy coordinator at the Commission for Missing Persons and Victims of Violence, also known as KontraS. The assault left Yunus with burns covering about 20% of his body and caused serious damage to his right eye.

Following the verdict, lawyers for the defendants said they would consider an appeal.

Another judge, Zainal, provided further detail on the defendants' military status, saying all four served in the military intelligence unit and held the ranks of captain, first lieutenant and second sergeant. He explained the differences in punishment: the first defendant received the heaviest sentence because he carried out the attack and "provoked" the others to participate; the second defendant was identified as the person who proposed using acid; the third and fourth were described as having "acted passively" by joining the assault.

Prosecutors had asked the court to sentence each defendant to two and a half years in prison.

The chief of the military’s intelligence unit resigned in March, a military spokesperson said at the time, characterising the resignation as taking responsibility for the attack.

In court, judges recounted motives attributed to the defendants. One judge said the officers had acted because they were "offended and outraged" by Yunus, who had interrupted a closed-door parliamentary meeting held in a hotel and attended by military officials. That meeting, which took place last year, dealt with proposed revisions to military law intended to permit a greater number of soldiers to hold civilian posts. The judge also said the defendants were angered by Yunus’ allegation that the military had been the mastermind behind nationwide protests in August of the previous year. The court was told the attack "stemmed from the defendants' own initiative and spontaneity."

The rights group Amnesty International Indonesia issued a statement saying the ruling "brings no justice" to Andrie and "fails to duly consider the involvement of other actors or the chain of command."

At a Wednesday press conference, KontraS member Jane Rosalina criticised the sentences as too lenient and described the trial as a sham aimed at protecting the military's reputation. She said the assault, which she characterised as an "attempted murder," should have been heard in civilian courts rather than a military tribunal.


Contextual note: The court record presented the case and the sentences; defendants’ lawyers indicated potential appeal; military leadership changes and rights group reactions were part of the public response documented in the proceedings.

Risks

  • Uncertainty over whether the full extent of involvement beyond the four convicted officers was examined, as rights groups say the verdict did not adequately address possible participation by others or a chain of command - risk to public sector accountability and institutional transparency.
  • Possibility of further legal action, including appeals by the defendants, which could prolong judicial resolution and public scrutiny - risk to perceptions of the military justice system and potential reputational effects on defence institutions.
  • Public dissatisfaction with sentence severity and venue (military tribunal versus civilian court) could deepen mistrust in military and judicial institutions, with implications for social stability and confidence in rule-of-law processes - risk to governance and civil society relations.

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