Marcia Clark
Marcia Clark is an American author of legal thriller novels. She writes the Rachel Knight series. Marcia graduated from UCLA with a Political Science degree and then earned her J.D. at the Southwestern University School of Law. She is best known for her work as a prosecutor, having worked on the O.J. Simpson case as the head prosecutor. In 1997, she co-wrote a book about the trial, which she titled Without a Doubt .