Cross

The main characters in this book are Alex Cross, Michael Sullivan and John Sampson. Alex, the protagonist in this very popular series by James Patterson, spent three years in private practice as a psychologist and then became a full-time Washington, DC homicide detective. After that, he joined the FBI, working primarily as a profiler. Michael Sullivan is a serial killer/rapist/mob hitman, nicknamed The Butcher. John Sampson is Alex’ former partner from his cop days, and still his close friend.