The Best Serial Killers Documentaries

True Crime - 166 free documentaries about serial killers.

Start with Identifying Victims of a Serial Killer (38 min, National Geographic), then David Parker Ray: The Sadistic 'Toy Box Killer' That Preyed On Women (89 min, Real Crime). All 166 documentaries here are free to watch from their makers' official uploads. To read deeper, the top-rated book on serial killers is Mindhunter by John E. Douglas.

• Identifying Victims of a Serial Killer | Naming the Dead (38 min, National Geographic)
• David Parker Ray: The Sadistic 'Toy Box Killer' That Preyed On Women | Serial Psyche (89 min, Real Crime)
• Ed Gein: The Killer That Inspired Many Horror Films | World’s Most Evil Killers (43 min, Real Crime)
• The Terrifying Case of Edmund Kemper: The Co-Ed Killer | Born To Kill? (45 min, Real Crime)
• Killing Spree Lasting Nine Years Reveals At Least 23 Murders | A Killer's Mistake (86 min, Real Crime)
• Dahmer: The Blood Curling Story Of The Milwaukee Cannibal | World’s Most Evil Killers (43 min, Real Crime)
• The Green River Killer’s 19-Year Reign of Terror (89 min, Real Stories)
• The Murder Network - A Serial Killer in Nazi Paris (70 min, Free Documentary - History)
• The Chilling Story Of Americas First Serial Killer: HH Holmes (49 min, Our History)
• John Wayne Gacy: A Real Life Nightmare | World’s Most Evil Killers (43 min, Real Crime)
• The Manhunt for Christopher Wilder: The Beauty Queen Killer | The FBI Files (50 min, Real Crime)
• Doctor Death: Britain's Worst Serial Killer (48 min, Real Stories)
• John Wayne Gacy: The Serial Killer Clown (44 min, Our History)
• Serial Killer Anthony Sowell: Stories of Women Who Escaped His Kidnappings (85 min, Real Crime)
• Manson's Night Of Horror: The Day We Murdered Sharon Tate (86 min, Real Crime)
• The Monster That Kept Little Girls In Dungeons | World’s Most Evil Killers (43 min, Real Crime)
• Aileen Wuornos: The Story of a Serial Killer (93 min, Real Stories)
• James Fairweather: Britain's Youngest Serial Killer (44 min, Real Stories)
• Catching The Serial Killer That Targeted The LGBTQ+ Community | A Killers Mistake (85 min, Real Crime)
• Psychotic Maniac That Inspired "Scream" | World’s Most Evil Killers (44 min, Real Crime)
• Ted Bundy: The Killer Of A Thousand Faces | World’s Most Evil Killers (43 min, Real Crime)
• Joanne Dennehy: The Woman Who Killed Three Men | World’s Most Evil Killers (43 min, Real Crime)
• Fred And Rose West: The Couple That Killed 12 Girls | World’s Most Evil Killers (43 min, Real Crime)
• Deadly Parcel: Postwoman Serial Killer I Real Crime (45 min, Real Crime)
• Was Charles Manson Born To Kill? | True Crime Story (45 min, Real Stories)
• This Perfect Family Man Was Actually a Serial Killer (44 min, Real Crime)
• Horrifying Tale of The Kansas City Butcher | World’s Most Evil Killers (43 min, Real Crime)
• The Story Of a Monster: The Robert Black's Case | World’s Most Evil Killers (43 min, Real Crime)
• Child Psychopath With A Lust For Blood | World’s Most Evil Killers (43 min, Real Crime)
• Night Stalker: The Vicious Killer That Terrorised LA | World’s Most Evil Killers (44 min, Real Crime)
• Serial Killer’s Secret Under The Family Garden (44 min, Real Crime)
• The Truth About John Wayne Gacy: A Graveyard Under His House (50 min, Real Crime)
• BTK: Catching One Of The Most Infamous Serial Killers | World’s Most Evil Killers (43 min, Real Crime)
• Gary Ridgway: The Story Of The Green River Killer | World’s Most Evil Killers (44 min, Real Crime)
• The Cunning And Murderous Landlady | World’s Most Evil Killers (43 min, Real Crime)
• Devil From Hell: The Story Of A Gruesome Child Murderer | World’s Most Evil Killers (43 min, Real Crime)
• The Beast Of Birkenshaw: Scotland's Scariest Serial Killer | Murder Maps (44 min, Real Crime)
• Killer In Plain Sight: Stepgrandfather Kills Schoolgirl | World’s Most Evil Killers (43 min, Real Crime)
• No Remorse: The Twisted Kid Killer | World’s Most Evil Killers (43 min, Real Crime)
• BTK Killer: The Decades Long Hunt For The Monster | Born To Kill? (45 min, Real Crime)
• The Son Of Sam: Destined To Be A Serial Killer? | Born to Kill? (45 min, Real Crime)
• What Made Fred West a Notorious Serial Killer? (Crime Documentary) | Born To Kill (46 min, Real Stories)
• Exposing A Serial Killer's Most Terrifying Secret (128 min, Real Crime)
• Real Estate Agent Turned Serial Killer: Todd Kohlhepp | World’s Most Evil Killers (43 min, Real Crime)
• Killing His Parents For Their Inheritance | World’s Most Evil Killers (43 min, Real Crime)
• Aileen Wuornos: The Most Cunning Female Serial Killer | World's Most Evil Killers (43 min, Real Crime)
• Uncovering The Identity Of Jack the Ripper | Murder Maps (44 min, Real Crime)
• Yosemite Park Killer: When A Victim Turns Into A Murderer | World’s Most Evil Killers (43 min, Real Crime)
• Joachim Kroll: Serial Killer Who Owned A Manor | World’s Most Evil Killers (44 min, Real Crime)
• The Suffolk Strangler: Steve Wright's Terrifying Killing Spree I World’s Most Evil Killers (44 min, Real Crime)
• Catching a Serial Killer: Inside the Investigation (45 min, Real Stories)
• Harold Shipman: Doctor Death Who Killed 250 Patients (46 min, Real Stories)
• This Business Partner Became a Serial Killer (44 min, Real Crime)
• This "Vampire" Roleplayer Was Actually a Real-Life Serial Killer (44 min, Real Crime)
• Serial Killer's Secret Box Reveals Missing Victims (46 min, Real Crime)
• Discover the Shocking Crimes of Daniel Lee Siebert | World's Most Evil Killers (43 min, Real Crime)
• The Canal Killer: The Case of John Sweeney | World’s Most Evil Killers (44 min, Real Crime)
• Bobby Joe Long: The Man Who Loved Killing Women | World’s Most Evil Killers (44 min, Real Crime)
• The Cannibal Cop Killer | World’s Most Evil Killers (42 min, Real Crime)
• The Childhood Thief: The Case That Shocked Britain | World’s Most Evil Killers (42 min, Real Crime)
• The Monster's Mother: My Serial Killer Son | Dark Waters Of Crime (46 min, Real Crime)
• Catching A Victorian Serial Killer | Murder Maps (44 min, Real Crime)
• Blood Chilling Story Of Scotland's Most Terrifying Serial Killer | World’s Most Evil Killers (42 min, Real Crime)
• Caught By Flushing Body Parts Down The Toilet | World’s Most Evil Killers (44 min, Real Crime)
• Aileen Wuornos: The Selling of a Serial Killer (84 min, Real Stories)
• Mapping the Movements of a Psychopath: The Most Successful Serial Killer? (47 min, Real Crime)
• This Housewife Exposed A Serial Killer Husband (44 min, Real Crime)
• Catching A Sadistic Female Serial Killer That Only Targeted Men (44 min, Real Crime)
• Heartless Crime: Conmen Buries Child Alive | World’s Most Evil Killers (42 min, Real Crime)
• The Murder That Shocked Great Britain: Vincent Tabak Case | World’s Most Evil Killers (44 min, Real Crime)
• UK's Youngest Prisoner Becomes A Brutal Serial Killer | World’s Most Evil Killers (44 min, Real Crime)
• Serial Killer Goes On A Dating Show?! | World’s Most Evil Killers (43 min, Real Crime)
• Cunning Female Killer Blames Fictional Road Rage Assailant | World’s Most Evil Killers (43 min, Real Crime)
• Murder Over Divorce? The Cold Murder Of A Wife | World’s Most Evil Killers (43 min, Real Crime)
• The Surrey Monster: Levi Bellfield's Story | World’s Most Evil Killers (43 min, Real Crime)
• Australia's Worst Solo Serial Killer | Born To Kill? (46 min, Real Crime)
• The Crimes of Ted Bundy And Night Stalker (86 min, Real Stories)
• The Milwaukee Cannibal - "My Friend Dahmer" (54 min, DW Documentary)
• This Serial Killer Kept Bodies In His Closet (44 min, Real Crime)
• 48 Victims? Exposing The Secret Letters of This Serial Killer (43 min, Real Crime)

Top-Rated Books About Serial Killers

1. Mindhunter by John E. Douglas (4.1/5) - View on Amazon
2. I'll Be Gone in the Dark by Michelle McNamara (3.9/5) - View on Amazon
3. The Stranger Beside Me by Ann Rule (4.2/5) - View on Amazon
4. Helter Skelter by Vincent Bugliosi (3.8/5) - View on Amazon
5. American Predator by Maureen Callahan (4.3/5) - View on Amazon