In a stinging repudiation of President Luiz Inácio Lula da Silva, Brazil’s conservative-dominated Congress has overturned his veto of a law that could slash former president Jair Bolsonaro’s sentence for attempting a coup from more than twenty-seven years to as little as two. The votes on Thursday—318 to 144 in the Chamber of Deputies and 49 to 24 in the Senate—delivered a second parliamentary defeat to Lula in under twenty-four hours and dramatically reshaped the legal terrain for Bolsonaro, who until now faced the prospect of dying behind bars. Opposition lawmakers erupted in chants of “liberdade” and the name of Bolsonaro’s eldest son Flávio, a presidential contender, underscoring the battle’s electoral charge with a general election only six months away.

The legislation at the centre of the turmoil rewrites how judges calculate prison terms, effectively compressing time served for multiple crimes. Congress originally passed the bill in December, but Lula blocked it with a partial veto in January, arguing it would gut the sentences meted out to Bolsonaro and dozens of others convicted for the violent insurrection of January 2023, when mobs ransacked government buildings in Brasília. The veto override, secured with surprisingly comfortable margins, was the final legislative step; the new sentencing framework now passes into law, though its constitutionality can still be challenged before the Supreme Court, the institutional umpire whose word is final.

Viewed from Brasília, the congressional manoeuvre lays bare the acute fragility of Lula’s governing coalition in a legislature where centrist and right-wing blocs hold decisive sway. For the president, who has struggled to consolidate a parliamentary base, the defeat compounds the symbolism of a weakened executive. Analysts in Buenos Aires and other Latin American capitals note that the episode replays a familiar regional script: a left-leaning leader, elected by a narrow margin, besieged by a restive congress that tilts decisively conservative. European observers, particularly in Paris and Berlin, draw a parallel with broader concerns about the resilience of far-right movements across the hemisphere, warning that the apparent rehabilitation of a convicted coup-plotter could erode democratic norms in the world’s fourth-largest democracy.

Bolsonaro himself watched the drama unfold from a position of unusual comfort. Since March he has been serving his sentence under house arrest owing to deteriorating health, and on Friday he was admitted to a Brasília hospital for a scheduled operation on his shoulder. His wife, Michelle, announced the surgery on Instagram, urging supporters to pray. The medical furlough, while routine, provided a poignant visual counterpoint to the congressional victory: an ailing, seventy-one-year-old figure whose political movement has nonetheless proven remarkably durable. It also reinforced a narrative of persecution cultivated by his camp, which insists the original sentence was a weaponised verdict by a hostile judiciary.

From Washington, the institutional drama is watched with a mix of anxiety and caution. American diplomats have publicly reaffirmed respect for Brazil’s judicial independence, yet the spectre of a former leader—who sought to subvert an election—seeing his punishment all but erased tests the boundaries of the Biden administration’s democracy-first foreign policy in the region. Meanwhile, in São Paulo’s financial circles, attention is already shifting to the Supreme Court, where eleven justices may ultimately decide whether the new law passes constitutional muster. A ruling to strike it down would ignite a firestorm between the court and Congress, while letting it stand could render the anti-democratic crimes of early 2023 largely unpunished.

The path ahead is as fraught as it is uncertain. Should the law survive judicial review, Bolsonaro could walk free well before the next presidential contest, in which he remains barred from running but will wield immense influence through proxies. His son Flávio is already being positioned as the standard-bearer of the far right. For Lula, the twin blows of legislative defeat and a resurgent Bolsonaro project narrow his room for manoeuvre just as he attempts to reignite a flagging economy. Brazil’s institutions have weathered multiple storms in recent years, but the vote in Congress opens a chapter in which the boundaries between political vengeance and legal accountability become dangerously blurred.