It's a story of a murder that seems stranger than fiction. In 2012, Toni Henthorn was pushed off a cliff in Rocky Mountain National Park by her husband. And it wasn't the first suspicious death in his past. The case is the subject a new docuseries from ABC News and Hulu called "Wild Crime." Author Caleb Hannan explores that murder in Rocky Mountain National Park in his book, "The Accidents." We spoke in 2018.