Police: Has Levi Aron done this before?
Investigators are now looking into whether Levi Aron has had any improper contact with children in the past.
Aron has pleaded not guilty to charges that he allegedly kidnapped and dismembered a 8-year-old Brooklyn boy despite an alleged confession.
The Brooklyn district attorney is looking to see if Aron had any improper contact with children in the past and is examining three computers they seized from Aron's home.
Also, police say they are still waiting on the final autopsy results to see exactly how the boy died.
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