Cold Blooded Killers
10 Most Disturbing True Crime Documentaries Everyone Must See

The following creepy and disturbing documentaries will keep you awake at night questioning just how sinister the world really is…

10. Just Melvin, Just Evil (2000) 

Just Melvin, Just Evil is a hard-hitting, detailed, difficult and brutally honest documentary that doesn’t hold back from the creepy details.

A personal journey of a man investigating his twisted family history, pulling together tails of sexual abuse, a mothers promiscuity and child molestation. There are odd moments of jovial story telling from some family members, their honest and matter of fact manner of talking is testament to the trust they have for the filmmaker and offers a unique insight into the horrors of child abuse. The families connected

These families connected by the abuse of one man come together in one hard hitting film.

9. The Mary Bell Case (1998) 

In 1968, a 10-year-old Mary Bell killed 4-year-old Martin Brown and 3-year-old Brian Howe in a case that shook Newcastle upon Tyne, England.

This documentary explores Bell’s early years leading up to the murders. Living a life of poverty in a slum area of Newcastle, abused by her erratic, prostitute mother and her clients – did she ever really stand a chance of a normal life?

With interviews from classmates and investigating officers, tales of Bell’s disturbing behavior grow and create a portrait of the sadistic young murderer who was only a child.

8. Dear Zachary (2008) 

Dear Zachary is an unforgettable documentary which began as a letter to the friends and family of Andrew Bagby, but mostly his son, who would never know his father following his murder at the hands of an on-off girlfriend and mother of his child. 

The film was released publically after tragic events unfolded. Full of ups and downs, the film is filled with wonderful memories but also terrible revelations. A personal and emotional rollercoaster that is terrifyingly relatable. By the end of this unique portrait, you will feel as close to Bagby as his own family and friends.

7. This Is the Zodiac Speaking (2007)

The Zodiac Killer was an infamous serial killer who operated in northern California in the late 1960s and early 1970s. The killer’s identity still to this day remains unknown and was dubbed the “Zodiac” by the media following a series of taunting letters which were sent to the local Bay Area press.

This Is The Zodiac Speaking covers every aspect of the investigation, including interviews with the original investigators and surviving victims. An insightful and chilling look into one of the most well-known and debated unsolved cases in recent history. 

6. The Iceman Tapes – Conversations with a Killer (1992) 

The Iceman Tapes is considered one of the most chilling interviews with a serial killer to ever be televised. Mafia hitman Richard Kuklinski offers remorseless answers detailing the horrific nature of his crimes.

Kuklinski’s almost certain his kill count ranges between 100 to 200 people throughout his career as a professional hitman for hire – a title he claims sounds “so exotic, I was just a murderer”.

His anecdotal style will make you feel like you have parked yourself next to the wrong stranger at the bar, as he chuckles about having to change out of blood-soaked clothes and drive home “butt naked”.

5. Confessions of a Serial Killer: Jeffrey Dahmer (1994)

Serial killer Jeffrey Dahmer is described by his father as “polite and un-unnervingly normal” – however, this chilling documentary the truly evil and dark side of the “Milwaukee Cannibal.”

Dahmer murdered and dismembered seventeen men and boys between 1978 and 1991, and even turned to cannibalism. In his first and final network TV interview, Dahmer discusses in detail everything from dismembering animals to what initially motivated him to commit his first murder.

Oddly scattered between small talk about the weather and book releases, Dahmer unveils his honest account of growing up with violent, sexual desires. “Rarely has a serial killer spoken in such detail about his crimes, or the possible root causes…”    

4. Interview With A Serial Killer (2009) 

Serial killer Arthur Shawcross was found guilty of killing two children and eleven prostitutes between 1972 and 1989. Considered one of America’s most notorious and psychopathic killers, he mutilated and possibly cannibalized the bodies of his vulnerable victims.

During Interview With A Serial Killer, Shawcross sits opposite a stunned interviewer as he recalls the details of his murders with cold precision, all the while nervously twitching. Shawcross also details deadly pressure points on the body, how to strangle one handed, and a recollection of pushing a victim’s body out of a car as though he were describing throwing an apple core out the window. His tales are dark and his demeanor disturbing. 

3. A Very Dangerous Doctor (2011)

This British documentary offers access to both sides of a very complicated and disturbing story. The cameras follow Dr. David Southall, who has been recognized as one of Britain’s leading pediatricians, an expert in child protection, and who has been involved in over 100 cases of child abuse in cases where the children have been taken from their families.

Then several concerned mothers accuse Dr. Southall of abusing their own children. Throughout the documentary, the women campaign for him to be stopped so he can never hurt a vulnerable child again. They accuse him of being the real abuser, using the children in these cases to research his own medical theories illegally. This sensitive subject will have you questioning both sides of this ethical and moral debate. 

2Real Crime: A Deadly Secret (2011) 

Real Crime: A Deadly Secret is the story of a mother, Petrina Stocker, and her nine-year-old son, who she slowly poisoned through administering salt in his drip. Baffling doctors at Great Ormond Street Hospital were unable to understand his loss of weight and physical deterioration. 

This shocking documentary delves into this disturbing subject alongside introducing other case studies including a mother who would inject her child with dirty pond water, or another who would periodically suffocate her child. A difficult watch but an engaging perspective into potential infanticide. 

1. Child of Rage (1990)

Child of Rage tells the story of 6-year-old Beth Thomas and the consequences of the abuse she endured during infancy at the hands of her birth father. Now living with her adoptive parents, and her younger brother, Beth reveals, in conversations with her therapist, the extent of her abuse towards animals, her brother and herself.

This rare look into the effects of child abuse in the victim’s own words makes for a disturbing and chilling short. The image of this sweet, bright-eyed girl and the horrifying tale she tells in such a matter-of-fact way are both jarring and haunting.


21 Best True Crime Documentaries You Can Watch On YouTube

About the author

Gina-Maria is a writer and artist living in New York. When she's not indulging in an episode of "Southern Fried Homicide" she's flicking through back issues of True Detective.

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