The TSA says the boy went through security with all other passengers . A spokesman for the agency said it is investigating what happened. `` Obviously , the fact that the child 's actions were n't detected until he was in flight is concerning , '' Hogan wrote . Mid-flight the Delta crew becomes suspicious of the child 's `` circumstances '' The 9-year-old is thought to have been at the airport the day before as well .
The TSA says the boy went through security with all other passengers . A spokesman for the agency said it is investigating what happened. Mid-flight the Delta crew becomes suspicious of the child 's `` circumstances '' The 9-year-old is thought to have been at the airport the day before as well .