Matt Witten is a TV writer, novelist, playwright, and screenwriter. His television writing includes such shows as House, Pretty Little Liars, and Law & Order. His TV scripts have been nominated for an Emmy and two Edgars, and he has written four mystery novels, winning a Malice Domestic award for best debut novel. He has also written stage plays that have been produced throughout the world.

His previous novel, The Necklace, has been optioned for film by Appian Way and Cartel Pictures, with Leonardo DiCaprio attached as producer. Killer Story is his most recent novel.