A.J. Cross is a forensic psychologist with over twenty years' experience in the field. She lives in Birmingham with her jazz-musician husband and is the author of five Kate Hanson mysteries.

A.J. Cross is a forensic psychologist with over twenty years' experience in the field. She lives in Birmingham with her jazz-musician husband. As well as the Will Traynor series, she is the author of five Kate Hanson Cold Case mysteries.