In early December, the Biden transition team and career government officials began sounding an alarm on the need to increase shelter space for the large number of migrant children expected to soon be crossing the border, but the Trump administration didn't take action until just days before the inauguration, according to two Biden transition officials and a U.S. official with knowledge of the discussions.
"They were sitting on their hands," said one of the transition officials, who does not currently work for the Biden administration and spoke on the condition of anonymity. "It was incredibly frustrating."
The Biden transition team made its concerns about the lack of shelter space known to Trump officials both at the Department of Health and Human Services and the Department of Homeland Security, laying out the need to open an influx shelter in Carrizo Springs, Texas, and to issue what's known as a "request for assistance" that would start the process of surveying new sites for expanded shelters, according to the transition officials.
For more on this story, go to NBC News.