William Landay is an American novelist who was born in Boston, Massachusetts, in 1963. He is a graduate of Yale University and Boston College Law School. Prior to becoming a writer, he served for eight years as an Assistant District Attorney in Middlesex County, Massachusetts. Landay is the author of the New York Times bestseller Defending Jacob. His previous novels are Mission Flats, which won the Dagger Award as best debut crime novel of 2003, and The Strangler, which was an L.A. Times favorite crime novel and was nominated for the Strand Magazine Critics Award as best crime novel of 2007.