Facebook Files reporter Jeff Horwitz on his source relationship with whistleblower Frances Haugen — and why he felt "properly paranoid"

Jeff Horwitz first connected with Frances Haugen late last year when he was trying to meet more sources at Facebook. He eventually earned her trust and access to a trove of internal research from the company. Horwitz tells Brian Stelter what his source relationship was like; why he wondered if anyone would care about the revelations; and whether he is working on any more Facebook Files stories. Plus, Stelter asks about Horwitz's headband fashion statement.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy