What were some of the mistakes made by police at the JonBenet Ramsey crime scene?

The police officers should have shut down the crime scene immediately and taken statements from JonBenet's parents. One key mistake was not getting full statements from parents John and Patricia Ramsey the day of the crime.  Another mistake was the former police chief said that the girl's parents seemed to show unusual behavior but clarified that could have been due to a number of reasons.

Explanation:

answer:

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