Henri Landru
Henri Landru is a notorious serial killer, also known as the 'French Bluebeard', who was convicted for killing multiple women in France during the early 1900s.
Herbert Mullin
Herbert William Mullin became one of California's most infamous serial killers after murdering 13 people in and around Santa Cruz between October 1972 and February 1973. Mullin later claimed he believed the killings were necessary to prevent catastrophic earthquakes, a delusion linked to severe mental illness. His short but deadly murder spree ended with his arrest in February 1973, and his case remains one of the most widely studied examples of psychosis and serial homicide in the United States.
Heriberto Seda
Heriberto Seda is known as New York's Zodiac Killer, a serial killer responsible for multiple murders in the early 90s.
Horst Kroner
Horst Kroner is a notorious killer, featured in World's Most Evil Killers as the main subject of Season 2, Episode 16.
Howell Donaldson
Howell Donaldson is the subject of a manhunt in relation to a serial killing case in 2024
Hugo Ferreira
Hugo Ferreira is a person who committed the crime by killing his 8-day-old daughter.