Terry Gross

The Atlantic's Caitlin Dickerson spent 18 months filing lawsuits for documents to put together the story of the Trump administration's policy of separating migrant families at the border.

Veteran cold case investigator Paul Holes talks about pursuing killers and the emotional toll of obsessing over crime scenes and talking to victims of horrific crimes. He has a new memoir called Unmasked.

Washington Post columnist Dana Milbank examines how the GOP got to where it is today, with some elected leaders and candidates still endorsing the lie that Trump won. His book is The Destructionists.