I know someone who is absolutely fascinated by true crime stories. She says that Silence of the Lambs is her Star Wars. And why not? Crime stories, especially true crime stories about the likes of Ted Bundy, John Wayne Gacy, or Jeffrey Dalmer, fascinate us, as it takes our thinking to the edges of human behavior. Understanding what makes these people tick stretches the human imagination.

That is exactly what investigative journalist Maureen Callahan does for us in her new book American Predator: The Hunt for the Most Meticulous Serial Killer of the 21st Century In it, she introduces us to a little know serial killer who may very well be one of the most chilling.

My conversation with Maureen Callahan: