9 Season
88 Episode
World's Most Evil Killers - Season 8 Episode 4 Richard Biegenwald
Over a 25-year career of murder, Richard Biegenwald killed at least six people as he sought out ever more violent and inventive ways of dealing death.
- Year: 2024
- Country: United Kingdom
- Genre: Documentary
- Studio: Sky Witness, Sky Crime, Pick
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