FILE - In this July 16, 2003, file photo, Oakland County sheriff investigators search near a backyard pool in Hampton Township, Mich., for evidence linked to the disappearance of ex-teamster boss ... more 
FILE - In this July 16, 2003, file photo, Oakland County sheriff investigators search near a backyard pool in Hampton Township, Mich., for evidence linked to the disappearance of ex-teamster boss Jimmy Hoffa. (AP Photo/Carlos Osorio, File) less 
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Associated Press | Photo By Carlos Osorio, File
Thu, Sep 27, 2012 3:23 PM EDT