Balbino Castro, an 87-year-old male, died on August 15, 1997, in Glendale, California. He was one of several elderly patients who fell victim to a series of murders committed by Efren Saldivar, a former respiratory therapist at Glendale Adventist Medical Center. Saldivar, who later referred to himself as the “Angel of Death,” admitted to killing multiple patients under his care by injecting them with Pavulon, a powerful muscle relaxant that causes paralysis and death when not followed by art
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