The recent purchase of the prison to hold immigrants is among the acquisitions facing scrutiny in the Trump administration’s mass deportation push.

© Tim Evans/Reuters

Several current and former law enforcement officials said an Obama-era investigation found some evidence that Ms. Omar had entered into a sham marriage with a man suspected of being her brother.

© Tierney L. Cross/The New York Times

The parents of the Minneapolis nurse who was fatally shot by federal agents in January said on Tuesday that the government had ignored and misled them.

© Jenn Ackerman for The New York Times