A young police officer unexpectedly finds herself back in New Hampshire, and she’s not the same person she was when she left. Something happened to her – to all of us. But for Officer Emelia Campbell, this thing still lives in her brain and her body. This is her story of survival.

Introducing “What Remains,” a special series from NHPR’s Outside/In. A classroom display of human skulls sparks a reckoning at the Penn Museum in Philadelphia. A movement grows to “abolish the collection.” The Penn Museum relents to pressure. But there are more skeletons in the closet. To hear...