Brazil's presidential race took a decisive turn on Wednesday as Flavio Bolsonaro, the Liberal Party candidate, finally named his running mate, ending weeks of speculation. Conservative Congressman Alfredo Gaspar, a public security specialist from the northeastern state of Alagoas, will join the ticket for October's election against incumbent President Luiz Inacio Lula da Silva. The choice signals a strategic pivot toward law-and-order and pension reform issues as polls show the race tightening. Main Developments Gaspar, 55, has served in Brazil's Chamber of Deputies since 2023, representing Alagoas, and previously held the role of public security secretary for the state. Accepting the nomination, he described himself as "a simple person from the northeast" whose life was defined by "hard work and honour," pledging to work with Bolsonaro "to transform Brazil into a fair and decent place." The announcement also highlighted the challenges facing Bolsonaro's campaign, which has struggled to build alliances beyond his own Liberal Party. An earlier effort to recruit a woman to the ticket, aimed at broadening appeal, failed when several higher-profile figures—including Senator Tereza Cristina of the Progressive Party and former Caixa Economica Federal chief Daniella Marques of the Republicanos—could not secure their parties' backing to join. Read also: Ebola's 1,700 deaths: 5 facts about the DRC crisis Gaspar's political capital comes from leading a congressional investigation into Brazil's National Social Security Institute (INSS), the agency managing the country's public pension system. That probe has put the spotlight on President Lula's son, Fabio Luis Lula da Silva, who is under investigation over alleged improper payments linked to an alleged pension fraud scheme involving the agency. Political analyst Lucas de Aragao of consultancy Arko Advice called the choice "surprising" but strategically sound, noting Gaspar "has the authority to deal with an issue that is uncomfortable for Lula. He also speaks extensively about public security." Background Flavio Bolsonaro, son of former far-right President Jair Bolsonaro, has faced an uphill battle in expanding his coalition. Several centre-right parties have chosen either to back Lula's broader coalition or remain neutral, hoping to maximise their congressional representation and appeal to anti-Bolsonaro voters in the northeast. That regional bloc is critical, and Gaspar's northeastern roots may help offset that weakness. The campaign has also been overshadowed by mounting diplomatic tensions. In July, Brazil denied visas to two US State Department officials, with Lula alleging they were sent to "meddle" in the elections. The rift deepened Tuesday when the Trump administration temporarily revoked the visa of Brazil's ambassador to Washington, in response to Brasilia withholding approval for Trump's ambassadorial nominee. Lula has pointed to these tensions, along with Trump's public support for Flavio Bolsonaro and US tariffs on Brazilian goods, as evidence that Brazil's sovereignty is under pressure. Why It Matters Wednesday's polling from Quaest shows Lula leading Bolsonaro 44 percent to 39 percent in a simulated run-off, down from an eight-point lead in mid-July. In a first-round scenario, Lula holds 39 percent support to Bolsonaro's 30 percent—a narrowing gap that underscores the stakes. If no candidate wins more than half the valid votes in the first round, the top two advance to a run-off. Gaspar's appointment gives Bolsonaro a potent weapon on the pension scandal, which directly touches Lula's family. It also bolsters his public security credentials, a key issue for voters. The choice, however, does little to broaden the ticket's appeal beyond the Liberal Party base, leaving Bolsonaro still reliant on anti-Lula sentiment and economic discontent. What's Next Both campaigns now pivot toward the first round of voting in October. Lula, launching his re-election campaign on Sunday, framed the vote as a battle to defend Brazil's sovereignty, telling supporters, "Too many people are poking their fingers into our business. Too many people are interfering in our land. And that is going to stop." On Wednesday, he reiterated, "As long as I'm president, no one from outside will interfere in Brazilian elections." The diplomatic standoff with Washington shows no immediate sign of resolution, and its impact on voters remains an open question. For Bolsonaro, the next weeks will test whether Gaspar can translate his investigative credibility into electoral gains, particularly in the northeast, and whether the campaign can overcome its coalition-building struggles before the first-round vote.