The Killer Within: In the Company of Monsters

In researching his acclaimed true-crime books, Philip Carlo interviewed some of the most infamous criminals and killers of our times in prisons and on death rows throughout the country. He was able to forge trusting relationships with his subjects, enabling him to extract the facts behind their monstrous acts and identify what motivated them to commit their horrific crimes.

Carlo's investigative achievements are remarkable, but what wasn't known to his readers is that, while working on The I...