Louis Theroux: Dark States

Louis heads to a community that has been devastated by systemic heroin abuse, where he spends time with addicts and dedicated emergency service workers.

Louis heads to Houston, taking a look at the illegal sex industry in the city, examining the complicated dynamic between prostitutes and pimps.

Milwaukee's District 5 plays host to some of the United States' deadliest streets, and boasts a homicide rate 12 times greater than the national average. Louis spends time in the area with the Milwaukee Police Department.