Without Mercy: The Shocking True Story of a Doctor Who Murdered

The New York Times–bestselling psychologist and true crime author examines the twisted mind of a doctor driven to kill time and again.

Dr. John Kappler was a well-respected physician in dozens of California hospitals, yet none of his patients ever imagined that his true calling was murder. The horror began the day he secretly attempted to kill three patients—including a pregnant woman who suffered permanent brain damage at his hands. Then, in a driving rampage, Kappler rammed another car, s...