right now homeland security secretariers y ers iker kirstjet the border. you're looking at 8-year-old felipe alonzo-gomez who died in u.s. border department custody. >> reporter: four days after felipe alonzo-gomez died while in border custody, tests show the boy tested positive for the flu with medical investigators still working to determine an official cause of death. he's now the second child this month to die in u.s. custody. today homeland security