A U.S. senator was denied entry to a prison that had held Kilmar Armando Abrego Garcia. The authorities arranged a meeting at a hotel instead. Here’s what to know.

His biological mother said in an interview on Friday that she was bewildered by the attack, and had been against the presence of firearms in her son’s life.

The legal underpinnings of the administration’s broadsides against universities and schools stretch precedents and cut corners.