So Insane (A Faith Bold FBI Suspense Thriller-Book Nine)

When a caver is found dead deep in a cave, it is clearly the work of a serial killer. The dangerous hunt for a killer deep underground will require FBI Special Agent Faith Bold and her K9 German Shepherd, Turk. But are they walking right into a killer's trap? "A masterpiece of thriller and mystery." —Books and Movie Reviews, Roberto Mattos (re Once Gone) ⭐⭐⭐⭐⭐ SO INSANE is Book #9 in a long-anti...