Gail Zimmerman has been a producer at CBS News’ 48 Hours for 13 years, producing mostly hour–long programs about the justice system. She has been a senior producer on several projects. Previously, she produced segments for ABC News’ 20/20 and produced and directed for the ABC News shows Business World and Good Morning America. She is the author of, Invitation to a Murder, an in-depth report of a story she covered for 48 Hours. She has won four Emmy Awards.