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In a one month span during the winter of 1969, the city of Cambridge, Massachusetts was set on edge after two violent attacks on women while they slept in their beds challenged the very sense of safety residents thought they had in their own homes. \n\nNearly 50 years later, one of those cases was finally solved, but the second, very similar homicide is still waiting for answers. The case file for the homicide of Ada Bean shows that the investigation uncovered numerous leads and tons of evidence at the time, but none of it led to an arrest. After more than five decades, this story is long overdue for an ending.