Jennifer Wolfe worked as a phlebotomist, a fiction writing teacher, a copywriter, and ran a concert venue before quitting to move to Los Angeles, where she performed odd jobs in the film industry for a decade. She now divides her time between Los Angeles and Portland, Oregon, where she lives with her husband and a couple long-legged dogs. WATCH THE GIRLS is Jennifer's debut thriller. She also publishes young adult fiction under the name Jennifer Bosworth.

Matt Coyle is the best-selling author of the Rick Cahill crime novels. His first book, YESTERDAY'S ECHO, won the Anthony Award for Best First Novel, The San Diego Book Award for Best Mystery, the IBPA Ben Franklin Silver Award for Best New Voice in Fiction, and was a Macavity finalist for Best First Novel. The second, NIGHT TREMORS, was a finalist for the Anthony, Shamus, and Lefty Awards. The third Rick Cahill crime novel, DARK FISSURES, was a finalist for the Macavity and Lefty Awards. BLOOD TRUTH, is a finalist for the Shamus Award, a Silver Award winner for the Foreword Indies Book of the Year Award for Thrillers and was a finalist for the Lefty Award for Best Mystery. His short story, The #2 Pencil is a Macavity Award nominee and a Derringer Award Finalist. WRONG LIGHT, the 5th Rick Cahill crime novel comes out in December, 2018. Matt lives in San Diego with his Yellow Lab, Angus.