About Stephen Williams Stephen Williams has spent the last three years, since the arrest of Paul Bernardo and Karla Homolka, attending their trials and researching and writing this book. He lives on a farm outside Harriston, Ontario with writer Marsha Boulton. Books by Stephen Williams Karla A Pact With the Devil by (author) Stephen Williams Invisible Darkness The Horrifying Case of Paul Bernardo and Karla Homolka by (author) Stephen Williams
