Many Unanswered Questions
The police tried questioning little Mary Burr, who was only three at the time. Mary happened to be the last person to see her sister alive, but the toddler was simply too young to articulate if she had seen anything.
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There were so many unanswered questions. Did Ann Marie know her kidnapper? Did the intruder already know the layout of the house and go directly to her bedroom? Why didn’t she make any noise? Tacoma police went on to question thousands of people and conducted polygraph tests on hundreds of them.