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.

Genre:

Documentary

Seasons:

10

Episodes:

96

Quality:

HD

Status:

Returning Series

First Air:

2018

IMDb:

7.8