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And representatives wrote a letter to john kerry demanding help. >> right now, our plan of action next week were going to take to the house floor. were going step it up a notch. we tried the quiet way and raise the profile of this case. >> reporter: he served in the iraq war as mechanic in 2009. he is the father of two young boys. >> until i find something and recover a body but until then, my brother is still alive. >> reporter: the f.b.i. is still investigating the case but has told the family...