When sanctions are adopted but selectively enforced, multilateral authority weakens — and civilians bear the consequences. Eastern DR Congo has evolved from a protracted conflict zone into a decisive test of institutional credibility. The question confronting the United Nations Security Council (UNSC) is no longer whether it can draft resolutions, but whether it can enforce them consistently when strategic interests complicate compliance. At the heart of this test lies the unresolved dismantling of the Kinshasa-backed genocidal militia FDLR. This obligation is neither rhetorical nor optional. It is embedded in successive regional frameworks and reaffirmed in international engagements, including the December 2025 Washington understandings involving Rwanda, DR Congo and the United States. Yet implementation appears uneven. Tactical rebranding by FDLR, the integration of new dissident actors into Kinshasa’s security ecosystem, and vigorous lobbying efforts in Washington D.C. and abroad risk obscuring the central issue: a UN-sanctioned armed group with genocidal origins remains operational. Credibility in international security governance rests on follow-through. The effective dismantling of the FDLR remains an unfinished responsibility for those who helped formalize that commitment. The broader security landscape further complicates enforcement. The FARDC confronts the March 23 Movement (M23) alongside other armed factions. Burundian forces operate under bilateral arrangements. Wazalendo militias mobilize domestically. Reports of foreign mercenary involvement add another layer. Eastern DR Congo has become a dense mosaic of overlapping commands and competing agendas. Within this militarized environment, an alarming development demands urgent attention: rising stigmatization and incitement targeting Congolese Tutsi civilians — citizens of DR Congo. In regions marked by histories of identity-based mass violence, inflammatory rhetoric is not incidental. It is an early warning indicator. The international community’s solemn pledge following the 1994 Genocide against the Tutsi requires vigilance before escalation, not retrospective regret. Yet responses from major actors reveal asymmetry. The United States Department of the Treasury has imposed targeted sanctions on individuals allegedly linked to AFC/M23 networks. Whether one agrees with the evidentiary framing or not, the action illustrates that political will can be mobilized when priorities align. However, the multilateral sanctions regime governing eastern DR Congo already exists. UNSC resolutions impose arms embargoes and authorize asset freezes and travel bans against actors undermining peace — including the FDLR. The enforcement tools are available. What appears inconsistent is their activation. Sanctions committees operate by consensus. Any new designation requires agreement among members, and none of the Permanent Five can be overridden. A procedural delay or quiet objection can indefinitely stall action. When enforcement intersects with mineral interests, bilateral alliances, or broader geopolitical bargaining, momentum can dissipate. Such structural constraints do not absolve responsibility; they underscore it. When violations documented by expert panels fail to translate into updated listings or renewed pressure, sanctions risk appearing discretionary rather than principled. Listing without sustained enforcement becomes symbolism. Symbolism does not dismantle armed groups. Elected members of the Council also carry weight. Though without veto power, they can demand transparency, request open briefings, and press for documented violations to receive formal consideration. Institutional inertia often persists because it goes insufficiently challenged. The African Union has a complementary role. Its Peace and Security Council was created precisely to respond to early-warning indicators of mass violence on the continent. A firmer continental voice reinforcing UN resolutions would strengthen preventive diplomacy and reduce perceptions of selective engagement by global powers. The deeper issue is coherence. Eastern Congo’s instability is sustained by mineral competition, cross-border armed networks, politicized identity narratives, porous frontiers, and weak accountability structures. No single sanction will resolve this ecosystem. But uneven enforcement erodes deterrence and weakens every diplomatic initiative layered upon it. The UNSC has already articulated the rules. The decisive question is whether it will apply them uniformly — including sustained action to dismantle sanctioned groups such as FDLR — even when doing so complicates strategic calculations. For civilians in Goma, Bukavu, Uvira and across the Kivus — particularly Congolese Tutsi communities facing hostility and fear — this debate is not theoretical. It concerns whether multilateral guarantees retain meaning in moments of vulnerability. Eastern DR Congo has thus become more than a regional crisis. It is a governance test for the UN system itself: whether enforcement can rise above geopolitical exception and whether the authority of the Security Council can be measured not by words adopted, but by resolutions upheld.