L.A. Detwiler is USA TODAY Bestselling author and high school English teacher. Her debut thriller, The Widow Next Door, is a USA Today and International Bestseller with HarperCollins UK/Avon Books. Her second thriller, The One Who Got Away, released in 2020 with HarperCollins UK/One More Chapter. The Diary of a Serial Killer's Daughter released in 2020.

L.A. lives in Pennsylvania with her husband, Chad, their five cats, and their mastiff named Henry. Her writing has appeared in several women's publications and online magazines. She also writes romance under Lindsay Detwiler, including her popular Lines in the Sand Series.