John E. Douglas

Okay, so John E. Douglas is a very smart man who knows a lot about how criminals think and act. He used to work for a place called the FBI, which is kind of like a big club of people who catch bad guys. John E. Douglas studied about how criminals behave and how they might do bad things, so that other people like the police could use that knowledge to catch them. He helps solve crimes by looking at clues, like the way things are arranged at a crime scene or the way someone talks or acts. Basically, John E. Douglas is a superhero who helps keep us safe from bad guys!