In Mexico, the new mayor of Chilpancingo, capital of Guerrero state, was murdered Sunday, just days after taking office. Alejandro Arcos’s death came three days after the city’s new secretary, Francisco Tapia, was shot dead. At least six candidates for public office in Mexico were killed in the lead-up to this year’s June elections. Mexico’s new president, Claudia Sheinbaum, who was inaugurated a week ago, has vowed to take on the homicide crisis and organized crime.