members of the trump administration zero tolerance policy continue to amaze. last july in the blistering texas heat, 37 children between the ages of 5 and 12 were taken to a border facility to be reunited with their parents but they were kept in vans for hours waiting to be processed. quote not until 39 hours did the last child step out of the van to be reunited. most spent 23 hours inside the vehicle. the incident happened last year. the horrific conditions are ongoing. more reporting details how migrant children coming to the border are finding themselves quote caught in a bureaucratic purgatory. stuck sleeping on concrete benches while the agency is close to exceeding its capacity. one of the journalists who wrote the extraordinary pieces of reporting. julia, take us through both.