The ability of the child to communicate with their parents depends on the regulations of the often federal penal institution at which their parents have been detained.
Footnote: I deliberately took Sachsenhausen not the better-known Auschwitz gate.
It's unclear how many of those children were separated from their parents and how many arrived at the border already unaccompanied, but a Customs and Border Protection official recently told lawmakers that 658 children had been separated from 638 adults within one two-week period in May.
According to Soboroff, one of the first things a shelter employee asked journalists to do was to smile at the kids because they would otherwise feel like animals locked up in a cage.
Another Republican, Sen. James Lankford of Oklahoma, tweeted, "I am asking the White House to keep families together as much as we can".
That policy includes separating families, including infants, who cross into the US illegally, and sending those "unaccompanied minors" into the custody of the Office of Refugee Resettlement. The spokesman did not immediately respond to questions about whether children would be kept outdoors.
There has also been bipartisan pushback, with Democrats criticizing the separations and even some Republicans expressing reservations.
Inside, painted murals of President Donald Trump can be seen throughout, with some of them featuring quotes like, "Sometimes losing a battle you find a new way to win the war", written in both English and Spanish.
There are occasional runaways. "Our goal ultimately is to reunite kids with their families", Southwest Key's founder and CEO Juan Sanchez told the paper.
A smarter immigration strategy would address root problems such as economic instability and a breakdown in the rule of law in Central America, he said, while noting the need to use advanced technology and manpower to guard the border.
But they came over the border unaccompanied, were not separated from parents, tended to be older and were held in permanent structures. Then they're turned over to family members or foster families. But immigration advocates now estimate it to be higher.