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Brenda Cecilia Agüero was convicted of killing five newborns and attempting to kill eight more

Prosecutors say she injected the infants with potassium and insulin during her shifts

Experts testified the insulin levels were higher than those seen in adults with advanced pancreatic cancer

In just three months at an Argentinian neonatal unit, five babies died and eight more went into crisis — each tied to the same nurse’s shift.

In June 2025, a jury in Córdoba convicted Brenda Cecilia Agüero of five counts of aggravated murder and eight counts of attempted murder after a six-month trial and about 10 hours of deliberation, according to the Buenos Aires Times , El País and the Buenos Aires Herald .

She was sentenced to life in prison at Bouwer Penitentiary, with parole

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