Comedy writer Kashana Cauley grew up watching the film Conspiracy Theory, starring Mel Gibson and Julia Roberts, with her parents. She says that's likely her earliest entryway into a world she explores in her debut novel, The Survivalists – it follows a millennial lawyer falling in with a community of doomsday preppers. In this episode, Cauley tells NPR's Juana Summers about the control people might feel preparing for an impending apocalypse, and how that experience is ultimately shaped by our understanding of race in the U.S.