Fremon is the creator and editor of the nonprofit online news site WitnessLA, and an award-winning freelance journalist specializing in gangs, law enforcement, juvenile justice, and criminal justice systems. She is the author of "G-Dog and the Homeboys" (Hyperion 1995, University of New Mexico Press, 2004, 2008), and is working on "Downfall,” about corruption and brutality inside the Los Angeles Sheriff's Department.