With the trail apparently cold in the search for two missing Iowa girls, the FBI is sending in search dogs and local authorities are draining a lake near where the girls' bicycles were found. (July ... more 
With the trail apparently cold in the search for two missing Iowa girls, the FBI is sending in search dogs and local authorities are draining a lake near where the girls' bicycles were found. (July 17) less 
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Tue, Jul 17, 2012 1:29 PM EDT