No, they are looking for a suitable cover story that won't make any officials look bad. If they stall long enough, the story will fade away.
Check back in a month and see if there is any new information. I would bet that there will be nothing.
Officials are searching for a motive in the Pearl Harbor shooting...
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If I were king motives would be inadmissible and trial, sentencing, and execution would be mandatory within 30 days of the perp’s apprehension.