H.H. Holmes was America’s first serial killer believed to have killed nearly 200 people in the late 19th century.
- Runtime: 43 min
- Released: 11 Jul 2017
- Genre:Documentary, History, Mystery
- Starring: Jeff Mudgett, Amaryllis Fox, Conor Hall
- Writer: N/A
- Director: N/A
- Available countries: United States, United Kingdom