Louis Theroux is a British documentary filmmaker and broadcaster known for his unique style of immersive journalism. He often explores controversial and unusual subjects, gaining access to communities and individuals that many might find difficult to understand. His work has aired on the BBC and has garnered a dedicated following. Theroux's documentaries cover a wide range of topics, including American prisons, religious cults, and adult entertainment. He is recognized for his empathetic approach, often engaging with his subjects in a way that reveals their humanity while also challenging viewers' perceptions.