Religious Killers

Gustavo Garcia was a convicted killer in Texas, executed after spending 24 years on death row.

H.H. Holmes was an American serial killer active in the late 19th century, often associated with a specially constructed building in Chicago known as the “Murder Castle.” He used the structure to facilitate a series of murders, many of which remain difficult to fully document. Holmes was eventually arrested and confessed to multiple killings, though the exact number of victims remains debated. He was executed in 1896, and his case remains one of the earliest and most infamous examples of serial murder in the United States.

Harold Shipman is known as the UK's most prolific serial killer, accused of murdering over 250 patients during his medical career.

Serial killer Harrison Graham is identified as having an IQ below 70.

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.