Teresa Lyn "Terry" Wallin, aged 22, was tragically murdered on January 23, 1978, in Sacramento, California. Teresa was three months pregnant at the time of her death. Her murder was part of a series of brutal killings committed by Richard Trenton Chase, infamously known as the "Vampire of Sacramento." Chase was a deeply disturbed individual with a history of severe mental illness, including schizophrenia and hypochondria. His crimes were characterized by extreme violence and gruesome rituals, wh
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