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A look into the life and crimes of the world’s most infamous serial killers. Featuring interviews with family members, forensic experts, law enforcement, and witnesses.

From John Wayne Gacy and Jeffrey Dahmer to the “Night Stalker” Richard Ramirez and the Butcher of Plainfield, Ed Gein and "Son of Sam" killer, David Berkowitz – What Makes a Killer explores how they became killers.

What Makes a Killer

Audioboom Studios
True Crime
71 episodes
What Makes a Killer: Season 5
  1. David Berkowitz, the Son of Sam
  2. Karol Kot, the Vampire of Krakow
  3. Keith Jesperson, the Happy Face Killer
  4. Todd Kohlhepp
What Makes a Killer: Season 4
  1. Dennis Rader, The BTK Killer
  2. Trevor Hardy, The Beast of Manchester
  3. Robert Lee Yates Jr.
  4. Robert Berdella, The Kansas City Butcher
What Makes a Killer: Season 3
  1. Steve Wright, The Suffolk Strangler
  2. Charles Ng and Leonard Lake
  3. Mark Bridger
  4. Beverley Allitt, the Angel of Death
What Makes a Killer: Season 2
  1. Dorothea Puente
  2. Thierry Paulin
  3. Steven Grieveson
  4. Richard Ramirez
What Makes a Killer: Season 1
  1. Joachim Kroll, The Man-Eater of Duisburg
  2. John Wayne Gacy, The Killer Clown
  3. Peter Sutcliffe, The Yorkshire Ripper
  4. Joanne Dennehy

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