Alex Marwood is the pseudonym of a former journalist who has worked extensively in the British press. She is the author of the word-of-mouth sensation The Wicked Girls, which won the Edgar Award for Best Paperback Original; The Killer Next Door, which won a Macavity Award for Best Mystery Novel; The Darkest Secret; and The Poison Garden. Her novels have been short-listed for numerous crime writing awards and been optioned for the screen. She lives in south London.