Antônio da Costa Santos, the charismatic mayor of Campinas, Brazil, was brutally murdered in his office on September 10, 2001. The 51-year-old leader was shot multiple times by an unknown assailant, leaving the city in shock. Costa Santos, known for his corruption-busting efforts and social programs, had many enemies, but the motive behind the killing remains unclear. His death sent ripples through Brazilian politics, sparking widespread outrage and calls for justice.