So what are they hiding?
Check it out:

An Oklahoma Congressman who visited an Army base being used to house illegal immigrant children now wonders what the federal government is hiding after he was denied access to the facility.

“There is no excuse for denying a Federal Representative from Oklahoma access to a federal facility in Oklahoma where unaccompanied children are being held,” Rep. Jim Bridenstine said in a statement following his visit Tuesday to Ft. Sill Army base near Lawton.