True-crime expert, Hollywood insider and 'Sisters in Death' author Eli Frankel breaks down why we're all so fascinated by serial killers Here’s a pop quiz: how many of the following names do you ...

Stéphane Bourgoin, a self-described French expert on serial killers, lived in a world of make-believe. While making low-grade films, he learned what hooked an audience: shock, sex, and gore. In the ...