FILE- In this Feb. 19, 2019, file photo, children line up to enter a tent at the Homestead Temporary Shelter for Unaccompanied Children in Homestead, Fla.  Despite efforts by the Trump administration to improve communication to track children who are separated from their families at the border, the process is still vulnerable to error and information sharing between agencies is inconsistent, raising questions on the accuracy of current data, a watchdog reported Thursday.  (AP Photo/Wilfredo Lee, File)