"She wants to see what's happening for herself and she wants to lend her support, executive order or not", said Grisham. On the wall was a hand-painted American flag and the children signed it. With the words, "Welcome!"
Most adults who enter illegally through the busiest span of the border - the Rio Grande Valley in South Texas - are sentenced to time served.
She asked the staff questions about their care, how long some have been detained and efforts to reunite them with family. The children attend school five days a week and have access to a variety of activities.
"There is still some work to be done as we grapple with the immigration issues", Meadows said. "Separating kids is unacceptable - but indefinite imprisonment of families is still cruel & inhumane", posted Sen. Plans for a visit to a second facility where children housed in cages were seen by The Associated Press last week were canceled because of flooding.
Images and audio depicting children in these detention centers crying for their parents, who face deportation and other illegal immigration processes, have caused a national uproar. "They do not know where these children's' parents are".
Mr Trump said yesterday as he signed an order to scrap the policy: "It's about keeping families together while at the same time making sure that we have a very powerful, very strong border".
For weeks, Trump had insisted he was bound by law to split children from their parents and that only Congress could resolve the problem - before he radically shifted gears.
Why is the U.S. separating migrant children from their families?
Now, there is a backlog of some 600,000 cases, and many never show up for their hearings, instead disappearing into U.S. society. Hundreds of children are being kept "in a series of cages" inside an "old warehouse in south Texas", The Guardian reports.
They called for the immediate reunification of immigrant children with their families.
Attorney General Jeff Sessions slammed critics who faulted the policy for dividing families who illegally cross the United States border from Mexico, adding Mr Obama was responsible.
The trip came together within the past 48 hours, Grisham said. "She wanted to see as close to what she had been seeing on TV".
The first lady planned to visit two facilities, both in McAllen, Texas.
The surprise trip "was 100 percent her idea", the first lady's spokeswoman Stephanie Grisham told reporters travelling with her to Texas. The official refused to be identified discussing Trump's private conversations with his wife.
"Ivanka feels very strongly", Trump said Wednesday. She put the jacket back on as she disembarked from her plane back at Andrews Air Force Base near Washington.
"The bills that are on the floor actually allow for indefinite detention of children and families". They are immigrants brought to the country illegally as children.