Neighbors exchanged friendly goodnights.
Oil lamps flickered behind lace curtains.
And inside a modest white house on a peaceful street, a family settled into bed, expecting to wake up to another ordinary Monday morning.
They never did.
By sunrise, eight innocent people—including six children—had been brutally murdered in their sleep.
No one heard screams.
No one saw the killer arrive.
And more than a century later, no one can say with certainty who committed one of the most horrifying mass murders in American history.
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