Why did a mysterious couple collect babies in a Los Angeles mansion? A five-part series from In the Dark, hosted by the New Yorker staff writer Ava Kofman, investigates. New Yorker subscribers get early, ad-free access to “The Journey.” In Apple Podcasts, tap the link at the top of the feed to subscribe or link an existing subscription. Or visit newyorker.com/dark to subscribe and listen in the New Yorker app. Learn more about your ad choices. Visit podcastchoices.com/adchoices