Skip to content

Perpetration through another person

Attributes principal responsibility under ICC Article 25(3)(a) when an actor controls a crime's commission through another person who performs its material acts.

Version
v1 · 2026-10-17 · History
Domain-specific #
14250
Domain group
Professional & Organizational Practice
Origin domain
Law & Governance
Subdomain
International Criminal Law → Law & Governance
Aliases
Perpetration by means of another person, Indirect perpetration, Perpetrator-by-means

Core Idea

Perpetration through another person is a mode of principal criminal responsibility under Article 25(3)(a) of the Rome Statute. A background actor commits a crime through an executor who carries out its material acts. The treaty expressly permits this mode whether or not the executor is also criminally responsible. In the cited ICC chambers' account, what distinguishes the background actor as a principal is control over commission of the crime through the executor, not merely the fact that the actor gave a command or was senior in a hierarchy.[1][2]

The legal inquiry joins three questions that can be mistakenly collapsed: what offense is charged and what material acts the executor is alleged to have performed; how the background actor allegedly controlled its commission through that person; and whether the evidence supports the intent, knowledge, and other mental elements required for that offense and mode at the applicable procedural stage. An organized apparatus with reliable compliance by replaceable subordinates is one way the cited chambers found such control. A person acting jointly with another background principal may also commit through executors, but that joint variant adds common-plan and joint-control requirements. The named abstraction is the through-another mode, not a particular defendant, militia, state apparatus, or conviction.[1][2][3]

Structural Signature

Sig role-phrases: governing ICC offense and mode — background actor — executor — control of commission through the executor — required intent and awareness — conditional joint-control variant.

  • Governing rule and offense. Article 25(3)(a) supplies the through-another mode; an identified or charged crime supplies material and mental elements. A court assesses the evidence for those elements at the applicable procedural threshold. Without the offense and governing rule, a causal story alone cannot establish this ICC classification.[1][2][3]
  • Background actor. A person behind the immediate acts is evaluated for principal responsibility. Rank can be evidence of authority but does not replace a finding about that person's role in this crime.[2][3]
  • Executor. Another person performs material acts of the crime. The executor need not be innocent, excused, or otherwise nonresponsible; Article 25(3)(a) expressly allows an independently responsible executor.[1][2]
  • Control through the executor. In the cited decisions, the background actor's ability to bring about commission through another person supplies the principal link. The chambers examined hierarchical authority, obedience and replaceability in organized apparatuses; those factual indicators are a documented route to control, not words added to the treaty's text as universal elements.[2][3]
  • Required intent and awareness. Proof of position and execution is insufficient without the applicable offense's mental elements and the relevant awareness of circumstances that enable control. The precise requirements depend on the crime and whether the alleged mode is individual or joint.[1][2][3]
  • Joint-control variant, when alleged. If multiple background actors allegedly commit through executors together, the joint form requires the additional common-plan, essential-contribution and mutual-awareness analysis used by the Katanga/Ngudjolo chamber. Those extra requirements do not define individual indirect perpetration.[2][3]

What It Is Not

Not the innocent-agent rule alone. An executor acting under mistake or incapacity might be a possible through-another situation, but the Rome Statute does not make that incapacity a prerequisite. Requiring it would exclude the culpable-executor cases Article 25(3)(a) expressly permits.[1][2]

Not every order or act of assistance. Article 25(3)(b)–© separately describes ordering, soliciting, inducing, aiding and abetting. The fact that an order preceded a crime does not itself answer the chamber's principal-control question. The distinction concerns the legal relation between actor, executor and offense, not just a person's position in a chain of command.[1][2]

Not a universal criminal-law test. United States 18 U.S.C. §2(b) provides a related willful-causation rule. Its statutory language is different from the ICC Article 25(3)(a) text and does not automatically import the ICC chambers' organized-apparatus construction. The entry describes the bounded Rome Statute mode and cited applications.[4][1][2]

Not a guilt finding from a preliminary ruling. The two worked decisions below applied the mode at confirmation-of-charges and arrest-warrant stages. They support how those chambers analyzed the rule and the evidence at those stages; neither example is presented as a final determination of a person's guilt.[2][3]

Scope of Application

The literal home is an ICC analysis under Article 25(3)(a) that attributes an identified crime to a person who did not personally perform every material act. In the Katanga/Ngudjolo confirmation decision, the chamber analyzed alleged joint commission through members of two armed groups in the Bogoro attack. Its account tied hierarchical control to a common plan and essential coordinated contributions; for selected charges it found substantial grounds to believe the joint-through-another form applied.[2]

In the Libya warrant decision, the chamber analyzed Al-Senussi separately as an individual indirect perpetrator in Benghazi. It found reasonable grounds that his command position enabled him to trigger and secure compliance by replaceable members of the armed forces, and that the relevant mental elements were present. The chamber classified the two Gaddafis differently, as indirect co-perpetrators. The Prosecutor had pleaded a different allocation of individual and joint modes; the chamber's classification is the one used here.[3]

These settings differ in the actors, organizations, alleged crimes, places and procedural stages. They share the legally decisive arrangement of background actor, executor, control of commission, and charged-offense/mental-element proof. The organized-apparatus account is evidenced by both decisions; it is not a license to label every command relation an Article 25(3)(a) principal mode.[2][3]

Clarity

The phrase perpetrator-by-means names the background person in the 2008 chamber's account. It can mislead if read to mean that the immediate actor must be a blameless instrument. The statutory phrase “through another person” describes the relation, and its express responsibility clause prevents that reading. The person who executes the material acts may bear responsibility too.[1][2]

The abstraction also separates two questions often hidden under “the commander ordered it”: whether the accused had an operative route of control over the crime, and whether the accused had the required mental relation to its material elements. Evidence of hierarchy may help establish the first; it is not, by itself, evidence of all offense elements, mental states, or a final verdict. Conversely, the fact that an executor directly performed the acts does not settle who can be classified as a principal.[2][3]

Manages Complexity

Large-scale crimes can involve many commanders, subordinates, orders and acts. The through-another mode narrows the inquiry to a small number of legal relations: the material offense, its executor, the alleged background principal, the actor's control of commission through that executor, and the required mental elements. This structure helps distinguish a principal theory from the statute's separate ordering and assistance modes without treating every person in an organization as interchangeable.[1][2]

The compression has a limit. It does not erase the offense-specific elements, the route by which control was allegedly exercised, the distinction between single and joint principals, or the standard at which a court assessed evidence. Katanga/Ngudjolo's confirmation decision and Al-Senussi's warrant decision support propositions at different preliminary thresholds. A careful account preserves those particulars instead of replacing them with the bare label indirect perpetrator.[2][3]

Abstract Reasoning

Begin with an alleged offense and identify who performed its material acts. If another person did so, ask what facts link the background actor to control over commission rather than only an instruction, association or status. In an organized apparatus, the cited chambers looked for authority, a structure that makes compliance reliable, and the actor's ability to trigger the relevant acts through replaceable subordinates. The fact pattern must then be tested against the mental elements of the offense and the actor's awareness of the circumstances making control possible.[1][2][3]

Next ask whether one background actor or several jointly exercised control. The latter question changes the legal burden: a common plan, essential contributions and mutual awareness enter the joint variant. If the evidence instead shows only assistance or an order without the cited principal-control relation, Article 25(3)(b)–© supplies a different classification to investigate. These are analytic routing questions, not conclusions about any unadjudicated person's criminal liability.[1][2][3]

Knowledge Transfer

Within ICC criminal-law analysis, the relation transfers between cases whose actors, organizations and offenses differ, provided the applicable Article 25 mode and offense elements are independently tested. The 2008 joint/nonstate and 2011 individual/state decisions show how the same through-another question survives a change in institutional setting while variant-specific conditions change.[2][3]

Outside that legal frame, the general thought of assigning responsibility to a background actor may recur. It does not carry the ICC label or its elements automatically. The related U.S. willful-causation statute is a comparison that sharpens the boundary: similar involvement of an intermediary is insufficient to make the two legal tests identical. The Prime Responsibility Attribution describes the broader assignment operation; extending the name of this ICC mode outside its governing legal context would be a metaphor.[4][1]

Examples

Canonical — Katanga and Ngudjolo, Bogoro confirmation decision

In its 2008 confirmation decision, the ICC Pre-Trial Chamber evaluated whether Katanga and Ngudjolo jointly committed alleged crimes in the Bogoro attack through members of the FRPI and FNI. It examined their authority over their respective organizations, the organizations' compliance, their coordinated common plan, and their awareness of both the planned crimes and the circumstances enabling control. For the selected crime-against-humanity murder count, the chamber found substantial grounds to believe the two jointly committed through other persons with intent. The decision confirmed some charges and declined others; it did not determine final guilt.[2]

Mapped back: governing rule/offense → Article 25(3)(a) and the selected murder count; background actors → Katanga and Ngudjolo; executors → FRPI/FNI members; control → organization-specific command plus essential joint coordination; intent/awareness → the chamber's substantial-grounds findings on the plan, crime and control; conditional joint variant → common plan and mutual/essential contributions. Evidence status: confirmation of charges on substantial grounds, not a conviction.[2]

Applied — Al-Senussi, Benghazi warrant decision

In its 2011 Libya warrant decision, the chamber found reasonable grounds to believe Al-Senussi controlled armed forces deployed in Benghazi and could trigger their actions through replaceable direct perpetrators. It found reasonable grounds for the relevant intent, knowledge of the attack context, and awareness of his control position. It classified him individually as an indirect perpetrator under Article 25(3)(a), while classifying the two Gaddafis as indirect co-perpetrators. This was the chamber's warrant-stage assessment, not a conviction.[3]

Mapped back: governing rule/offense → Article 25(3)(a) and alleged murder/persecution crimes against humanity; background actor → Al-Senussi; executors → lower-level armed-forces members; control → the capacity to activate and secure compliance in the Benghazi forces; intent/awareness → the chamber's reasonable-grounds findings on objective elements, attack context and command authority; joint variant → absent from his individual classification. Evidence status: arrest-warrant reasonable grounds, not a final guilt ruling.[3]

Structural Tensions

T1: Reaching the controlling actor vs. requiring individual proof. A through-another mode can identify an actor whose control lies behind the direct executor; otherwise a hands-on test would miss that relation. But letting organizational rank alone stand for control or intent would collapse a demanding principal theory into guilt by office. Leaning too far toward rank broadens the mode without the required facts; leaning exclusively toward the immediate actor loses the background principal. Diagnostic: What evidence shows this person's control over commission of this offense, and what separately shows the required mental state?

T2: Allowing a responsible executor vs. keeping modes distinct. Article 25(3)(a) permits principal responsibility even when the executor is responsible too. That breadth prevents a false innocent-agent limit, but it also raises a classification question when someone merely orders or assists a responsible actor. Treating every instruction as through-another commission erases the neighboring statutory modes; requiring an innocent executor erases the treaty's express extension. Diagnostic: Does the evidence show control of commission through the executor, or only one of the separately listed contributions?

T3: Shared mode vs. variant-specific safeguards. The common through-another relation makes individual and joint applications comparable. The joint form adds common-plan, essential-contribution and mutual-awareness requirements. Treating those as universal would overburden the individual form; omitting them from a joint claim would understate what that form requires. Diagnostic: How many background principals are alleged, and which extra elements follow from the chosen variant?

T4: General attribution vs. legal specificity. The related Prime Responsibility Attribution can describe the broad move from an outcome to an accountable actor. This ICC doctrine gains precision from Article 25, the principal/accessory distinction, offense elements and chamber control tests. Reducing it entirely to the Prime loses its legal decision rule; isolating it from all attribution reasoning hides its structural family. Diagnostic: Is the question about the general allocation of responsibility or the ICC criteria for principal commission through an executor?

Structural–Framed Character

The entry sits toward the framed end of the structural–framed spectrum. Its relation among background actor, executor and attributed outcome has a recognizable structure. Yet evaluative weight is high because the output is criminal principal responsibility, not a neutral description of influence. Human-practice dependence is high: courts identify charges, evaluate evidence and make legally consequential rulings. Institutional origin is explicit in the Rome Statute and the ICC chambers' construction.[1][2][3]

The vocabulary of “acting through another” can travel, but the words principal, Article 25(3)(a), offense elements, and indirect co-perpetration do not retain their legal operation in a portfolio, laboratory or ordinary workplace merely because a person acts indirectly. Import-versus-recognition: in another ICC case one can recognize the same legal relation by testing its elements; outside the governing legal framework, one would be importing a metaphor. The portable skeleton is a constrained attribution through an intermediary, represented more broadly by Responsibility Attribution. Its character: structurally intelligible but decisively framed by a specific criminal-law rule and institution.

Structural Core vs. Domain Accent

The skeletal relation is an outcome performed by one actor attributed under a rule to another actor positioned to control its occurrence. That relation explains why the immediate physical performer and the principal need not be the same person. It is more general than either ICC case and makes comparison between the two decisions possible.[1][2][3]

The domain accent carries the identity: the Rome Statute's modes of individual responsibility, the charged international crime, mental elements, control-over-crime construction, and distinction from ordering and assistance. Judicial applications also require their procedural proof standards to be reported accurately. Remove the legal features and the name no longer tells a court which doctrine is being used. The generic attribution skeleton is expressed by the broader Prime Responsibility Attribution. The named ICC mode itself does not clear the Prime bar because its recognition and consequences depend on legal rules that do not travel to nonlegal settings.[1][2]

Responsibility Attribution is the closest broader Prime: this mode assigns responsibility for a crime to an actor whose legally relevant control lies behind another person's execution. The Prime can occur without the ICC legal differentia; this entry adds Article 25, charged-offense and mental-element conditions.

Indirection is related but insufficient to define this doctrine by word resemblance alone. It identifies an intermediary structure without deciding which actor is a principal, what crime exists, or which legal proof is required. Legal Liability is a broad domain neighbor, not a substitute for the specific through-another principal test. Pinkerton Liability is a separate U.S. conspiracy-law entry; similarity in attributing another person's act does not establish the ICC control-based mode.[1][2]

Neighborhood in Abstraction Space

Perpetration through another person sits in a sparse region of the domain-specific corpus (73rd percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.

Family — Legal Doctrines & Organizational Authority (35 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-17

Not to Be Confused With

  • Direct perpetration: the accused personally performs the material acts, so the distinct executor relation is absent.[1]
  • Ordering or aiding under Article 25(3)(b)–©: these are separately enumerated contributions; proof of instruction or help alone is not proof of the cited principal-control relation.[1][2]
  • Indirect co-perpetration: it is a joint through-another variant with extra joint-control requirements, not a synonym for the single-actor form. The Katanga/Ngudjolo and Libya chambers expressly treated these forms separately.[2][3]
  • Command responsibility: Article 28 addresses a superior's failure to take necessary and reasonable measures to prevent or repress subordinates' crimes or submit the matter to competent authorities for investigation and prosecution. That is a different theory from the affirmative Article 25(3)(a) claim that the actor committed a crime through another person.[1]
  • U.S. willful causation under 18 U.S.C. §2(b): an analogous intermediary can appear, but the governing text and legal analysis differ.[4][2]

References

[1] International Criminal Court. Rome Statute of the International Criminal Court, Part 3, arts. 25(3)(a)–©, 28 and 30. Full official treaty text consulted. registry ↩a ↩b ↩c ↩d ↩e ↩f ↩g ↩h ↩i ↩j ↩k ↩l ↩m ↩n ↩o ↩p ↩q ↩r ↩s ↩t

[2] International Criminal Court. (2008). Decision on the confirmation of charges, The Prosecutor v. Germain Katanga and Mathieu Ngudjolo Chui, ICC-01/04-01/07-717, paras. 488–565, 579–581 and disposition pp. 209–212. Full original-decision HTML transcription consulted; official court record. The direct ICC PDF was inaccessible in the research browser. A confirmation ruling is not a conviction. registry ↩a ↩b ↩c ↩d ↩e ↩f ↩g ↩h ↩i ↩j ↩k ↩l ↩m ↩n ↩o ↩p ↩q ↩r ↩s ↩t ↩u ↩v ↩w ↩x ↩y ↩z ↩27 ↩28 ↩29 ↩30

[3] International Criminal Court. (2011). Decision on the “Prosecutor's Application Pursuant to Article 58 as to Muammar Mohammed Abu Minyar Gaddafi, Saif Al-Islam Gaddafi and Abdullah Al-Senussi”, ICC-01/11-01/11-1, paras. 66–71 and 84–90. Full original-decision HTML transcription consulted; official court record. The direct ICC PDF was inaccessible in the research browser. A warrant finding is not a conviction. registry ↩a ↩b ↩c ↩d ↩e ↩f ↩g ↩h ↩i ↩j ↩k ↩l ↩m ↩n ↩o ↩p ↩q ↩r ↩s

[4] United States Congress. 18 U.S.C. § 2(b), willful-causation provision. Statutory text consulted for jurisdictional contrast, not as evidence of the ICC test. registry ↩a ↩b ↩c