The email appeared to push asylum officers to stop allowing passage to some people seeking refuge at an initial screening at the border.
Attorneys, who were shocked by their discovery inside a Texas detention facility, said the prematurely born baby was lethargic, cold, and not eating.
A Border Patrol database of traveler photos and license plate images was "compromised by a malicious cyber-attack."
“We will continue to work to stem the crisis at our southwest border," Ken Cuccinelli said in an email to staff.
Earlier this year, officials said they were on track to house a record number of unaccompanied children in shelters scattered across the US.
Trump Said He Will Impose A 5% Tariff On Mexico Until It Does More To Stop Immigrants From Reaching The US Border
“We really do not want to do this, but we have to in order to protect the country.”
The proposal could be a major escalation in the administration’s attempts to deter asylum-seekers from coming to the US.
L. Francis Cissna’s departure is the latest high-profile shake-up at the Department of Homeland Security in recent weeks.
"This is an avoidable humanitarian crisis manufactured by the Trump administration's harsh policies," a former senior ICE official said.
The 16-year-old had been in the custody of Border Patrol for a week.
The 6-foot-11-inch NBA center has been a high-profile target of the Turkish government, which has accused the player of "terror" ties.
The Trump Administration Can Continue To Force Asylum-Seekers To Wait In Mexico, A Federal Appeals Court Ruled
The 9th Circuit allowed the administration to continue its controversial policy while the case makes its way through the appeals process.
The Trump Administration's Decision To Withhold Bail From Asylum-Seekers Is Being Challenged In Court
"No matter what they say, the goal is to send the message to immigrants that they should not come to the US and apply for asylum," an ACLU attorney said.
No health concerns were initially observed, but he soon became “noticeably ill" and required hospitalization, a Health and Human Services spokesperson said.
The president also wants to limit job permits for those who cross the US border without authorization.
“This is like using a nuclear device to kill a gnat,” said a former federal court judge.
A Federal Court Is Considering Whether To Allow Trump’s Policy Forcing Asylum-Seekers To Wait In Mexico
“The stakes are very high. If the government is granted a stay, then they will keep expanding this policy, returning more people in more locations."
The move, officials say, will shift services to other agencies and save millions of dollars a year.
Trump's Policy Forcing Asylum-Seekers To Wait In Mexico Has Been Temporarily Allowed By A Federal Court
"Finally, great news at the border!" Trump said in response.
President Trump's comments Friday came after a report that he had floated the idea as a form of political retribution.