The Star Trek actor and political activist told Late Night with Seth Meyers there were parallels with what is happening on the U.S. border with his experience in World War Two.
"Again, I don't know the background of what her grandmother or relatives were," CBP Chief of Law Enforcement Operations Brian S. Hastings said.
"I hesitated a minute before I started yelling because I actually think about getting up and throwing that man a beating right there in the middle of the room," Thomas Homan said.
The Honduran boy was only eight months old when he arrived in the U.S. with his father in May 2018.
"It turns out we have more than enough (supporters) to keep us cooking," Red Hen co-owner Stephanie Wilkinson wrote.
"There are moms out there who will not get to experience this day...Mothers who don't know if they will ever get to see their children again," said activist Meena Harris.
"We want the families that are in detention and who have been separated to know we haven't forgotten them," said Jess Morales Rocketto, who chairs the immigration advocacy group Families Belong Together.
"These aren't demons, these aren't people that are monsters," Teigen said of immigrants.
"I don't know if he's had that conversation or not," a White House spokesman said of restarting family separations.
"As a country, we have to acknowledge that this is how people are being treated here and decide that we are better and we must do better," Representative Ilhan Omar tweeted on Thursday.
"I'm desperate. I want to be with my daughter already," one mother told immigration legal services organization Al Otro Lado.
Homeland Security Secretary Kirstjen Nielsen took issue with the use of the word "cages" to describe the detention facilities used for children.
"While the Trump administration claims to be doing everything it can to reunify families, ICE is detaining parents at this very moment who should be released and reunited with their kids immediately," said Sandra Cordero, director of Families Belong Together.
"Thousands of children may have been separated during an influx that began in 2017, before the accounting required by the court, and HHS has faced challenges in identifying separated children," a new government report said.
The Trump administration's widely condemned family separation policy has come with a price tag that is only expected to grow.
The administration was first ordered to reunify by July 26 the 2,551 migrant children that were separated from their parents after families illegally crossed the U.S.-Mexico border.
A federal judge ordered the reunification of families separated by the Trump administration, but the nightmare continued for hundreds of migrants. One mother's desperate campaign to get her son back.
"People don't say it, but Obama had the same law that I did, and they separated parents from their children," Trump said, incorrectly.
"How stupid can someone be and how stupid can we be to keep re-electing these Democrats?" Trump Jr. wrote, referring to Warren.
Miller's uncle said the White House adviser "would never have existed" if his family had not moved to the United States.
A web page that listed email addresses and phone numbers for 22 members of the Office of Refugee Resettlement's leadership team was pulled offline likely between October and December of 2017, according to a report.
Celebrities are demanding that Ivanka Trump call for Homeland Security Secretary Kirstjen Nielsen's resignation over her role in the separation of immigrant families.