An exclusive interview with the woman whose anonymous court testimony exposed and brought down Yusef Bey, the founder of a self-styled black Muslim group in Oakland responsible for the murder of journalist Chauncey Bailey. She goes on camera for the first time with the Center for Investigative Reporting to tell her story and reveal her identity.

Producer, editor, and additional camera: Ariane Wu
Reporter: Louise Rafkin
Interview footage: Adithya Sambamurthy