Nicaragua's withdrawal from the Central American Parliament (Parlacen) is not an isolated diplomatic tantrum — it is the latest move in a deliberate, multi-year strategy to sever every external mechanism that could constrain the Ortega-Murillo government. The country left the OAS in 2023, the UN Human Rights Council in 2025, and now the regional parliament established specifically to promote democracy and human rights in Central America. Each exit follows the same script: international criticism, sovereignty rhetoric, immediate effect. The timing is instructive. The announcement came one day after the OAS passed a resolution demanding Nicaragua restore civil rights and release political prisoners. Rather than engage, the government moved to eliminate the forum. This is institutional arbitrage — reduce the number of venues where your conduct can be formally questioned, and the remaining venues become easier to ignore. The human costs are documented and severe. A UN report found at least eight deaths in custody since 2018, including Indigenous Miskito leader Brooklyn Rivera, detained for 32 months before dying in May. The government's explanation — lingering COVID effects — was called "not medically coherent" by Physicians for Human Rights. Rivera's case is not an outlier but a pattern: imprisonment, torture, exile, and the stripping of citizenship from 222 political prisoners flown to the US in February 2023. The Ortega government's July announcement that it would abolish upcoming elections drew a sharp response from US Secretary of State Marco Rubio, who labeled the government a "dictatorship" and framed it as a national security threat. But the Trump administration's credibility as a human rights counterweight is undercut by its own actions: it has detained eight Nicaraguan nationals — seven of them among the 222 exiled political prisoners — for deportation back to the country that stripped their citizenship and seized their property. Human Rights Watch has warned that returning these detainees would violate international law's prohibition on refoulement — sending people back to face persecution or torture. Four of the eight have pending asylum cases. The Biden administration flew them out as a humanitarian gesture; the Trump administration may send them back as an enforcement priority. The policy whiplash renders the US position incoherent. The structural picture is clear: the Ortega-Murillo government is building a closed system. Every international body that could impose reputational or institutional costs gets cut. Domestically, elections are abolished, critics are jailed or exiled, and property is seized. The sovereignty language is a fig leaf over authoritarian consolidation. Nicaragua is not withdrawing from the international order because it disagrees with specific rules — it is withdrawing because any rules constrain the regime. The regional consequences extend beyond Nicaragua. Parlacen, the OAS, and the UNHRC are all weakened when member states can simply leave when criticized. Every successful exit by an authoritarian government makes the next exit cheaper for the next government considering the same move. The institutional scaffolding of Central American cooperation is being hollowed out, and the costs will be borne by the citizens who have no exit option of their own.