Most Shocking
21 Best True Crime Documentaries You Can Watch On YouTube

Shocking and unthinkable crimes are committed everyday. Where these following cases are concerned, they are some of the most disturbing and mysterious crimes to have happened over the past fifty years. Recently popular true crime documentaries like Making A Murderer and The Jinx have been discussed online almost everywhere and fans of this riveting genre are looking to get their fix from even more unimaginable crimes.

After watching all 21 of these full-length true crime documentaries online – you will be able to say “truth really is stranger than fiction.”

21. There’s Something Wrong With Aunt Diane 



In July 2009, 36-year-old Diane Schuler horrified drivers as she drove for 1.7 miles the wrong way in the fast lane of traffic of the Teconic State Parkway in the Hudson Valley of New York. Schuler had high levels of both alcohol and marijuana in her system when she took five children in her minivan. Four of them died, including her 2-year-old daughter and three nieces as well as three men in the SUV she hit.

This documentary follows her husband and sister-in-law attempt as they attempt to answer why Shculer, who did not have alcohol problems and was a seemingly model mother and citizen, had really crashed the car. They hire a private investigator but will they ever discover the truth?

20. Dear Zachary 



In 2001, 28-year-old Dr. Andrew Bagby was found dead in a park in Pennsylvania. He had been shot by his ex-girlfriend, who then fled to Canada pregnant with Andrew’s child, where she was able to walk free on bail. Andrew’s parents campaigned to gain custody of the child and convict their son’s killer. Filmmaker Kurt Kuenne and best friend to Andrew, puts together home movies and interviews in the hope that his son can find out who he his father really was. 

19. Amanda Knox – Sex, Lies and the Murder of Meredith Kercher


In 2007, Knox and Raffaele Sollecito were sentenced to 30 years for a murder they did not commit. In an almost farcical miscarriage of justice, the police accused the pair before an investigation had even taken place.

They claimed Knox, Sollecito and a third man, Patrick Lumumba, were accused of murdering Knox’s flatmate, Meredith Kercher. Italian prosecutors believed her murder took place after a sex game went wrong and her body was found throat cut in her bedroom at her house in the Italian town of Perugia, Italy.

18. Casey & Caylee Anthony: The Untold Story

Casey Anthony is best known for her connection to the mysterious disappearance of her daughter, Caylee Anthony. She stepped into the national spotlight after the suspicious disappearance of her daughter, Caylee Anthony.

As her story unfolded, many believed she was unquestionably guilty. The jury, however, felt differently. Anthony was acquitted of the murder charge, but she found herself loathed by the general public – her horror was not over yet…

17. The House Of Suh: A Good Son Is Committed For Life

Yoon Myung and Tai Sook Suh immigrated to America for a better life for their children, Andrew and Catherine. Their pursuit of happiness quickly became misfortune, when on September 25th, 1993, when Andrew shot and killed his older sister’s fiancé of eight years, Robert O’Dubaine, at Catherine’s request.

How could a young man with a promising future be convinced to kill? The Suh family history unfolds as we learn more and more about this family…


16. Jonestown

The Peoples Temple Agricultural Project, in northwestern Guyana, was also known as Jonestown after it was formed by leader Jim Jones. On November 18th, 1978, a total of 909 Americans died from cyanide poisoning, in what cult leader Jones had called a “revolutionary suicide” on tapes recorded prior to the event.

This was the largest single loss of American civilian life in a deliberate act before September 11, 2001. Still to this day, the Jonestown massacre has been the subject of many conspiracy theories.

15. Richard Kuklinski: The Iceman Mafia Hitman 

Richard Kuklinski

Richard Leonard Kuklinski was an American contract killer who was convicted for five murders. After his arrest Kuklinski was given the nickname “Iceman” for his method of freezing a victim to mask the time of death. Here he speaks in a very open interview about his many methods of killing and how he would get the job done.


14. Jeffrey Dahmer: The Milwaukee Cannibal

Jeffrey Dahmer, known as the Milwaukee Cannibal, murdered and dismembered seventeen men and boys between 1978 and 1991. He would strip the bodies of flesh and store these parts in his fridge at home so he could consume them later. The public was so outraged, he stood trial behind a sheet of bullet-proof glass. On November 28th, 1994, Dahmer was beaten to death in prison by a fellow inmate at the Columbia Correctional Institution.


13. The Smiley Face Killers 



In this terrifying, award winning documentary, filmmakers examine the theories behind who killers are and what drives them to commit such horrific crimes. Through in depth interviews with victims family members and experts, reenactments and behind the scenes footage – this film gives an in depth look at what motivates this murderous gang that’s accountable for over 80 murders across 13 states.

12. The Boneyard: Leonard Lake & Charles Ng



Leonard Lake and Charles Ng became known as the Boneyard Killers after they committed 25 murders.  This documentary shows the true story behind the grisly crime scene investigations. The grueling case – that began with a simple shoplifting arrest – unfolded clue by clue, until a shocking discovery rocked the nation: more than forty pounds of bones and five intact bodies buried on the property that belonged to them.

Ng and Lake were no ordinary serial killers. They were manipulative, sadistic, and had no mercy for their innocent victims. Walk alongside law enforcement, step by step, as they work to get justice for the slain.


11. The Real Amityville Horror Story

On the night of November 13th, 1974, Ronald “Butch” DeFeo Jr. shot his parents, two brothers and two sisters with a .35 caliber rifle, all whilst they slept in their own beds at the 6-bedroomed 112 Ocean Avenue, Amityville, Long Island.

After the killings, DeFeo Jr.’s defense attorney tried to gain an insanity plea and helped DeFeo testify that he heard voices telling him to murder his family. Little did they know that this fabrication of the truth would result in one of the most well-known murder stories ever told – The Amityville Horror.


10. Interview With A Cannibal

In this gripping documentary with unique and unprecedented access to Armin Meiwes, the only man to be tried for ‘love Cannibalism’. It remains one of the most sensational crimes of the past 25 years. Using face-to-face interview footage, home videos and unique access to the crime scene. The Cannibal of Rotenburg is the factual and emotional story of a murder that shook the world.

9. The Case of: Jonbenet Ramsey

In 1996, 6-year-old pageant queen JonBenet Ramsey was found murdered at her family home in Boulder, Colorado. She was reported missing by her parents – then eight hours later, her body was found in the basement. The case had several grand jury hearings, yet still remains unsolved.

The Case Of: JonBenét Ramsey, a four-hour limited event docu-series, unites former investigators with new experts to re-examine the 20 year-old unsolved murder of JonBenét Ramsey. There are so many twists and turns that by the end you won’t know what to believe.


8. Murder On A Sunday Morning 



On May 7th, 2000, in the parking lot of the Ramada Inn in Jacksonville, Florida, 65-year-old Mary Ann Stephens was shot in the head before her husband’s eyes. 90 minutes later, 15-year-old Brenton Butler was arrested. For the investigators and the media it’s just another messed-up youth, just another wasted life.


7. The Cheshire Murders

The home invasion murders that took place on July 23rd, 2007, in Cheshire, Connecticut, were the most horrific in the state’s history. Jennifer Hawke-Petit and her two daughters were sexually assaulted and murdered, while her husband, Dr. William Petit, was injured but managed to escape. This documentary follows why it took so long for the police to arrive at their home when the family were so desperately in need of help.

6. The Imposter

The Imposter is a documentary about a young man in Spain who claims to a grieving Texas family that he is their 16-year-old son who has been missing for 3 years. Empire magazine said: “The year’s most fascinating and frightening doc so far.”


5. The Menendez Trial

The case of the Menendez brothers shocked and gripped America in equal measure in the Nineties. The brothers murdered their rich parents in August 1989, when Lyle was 21-years-old and Erik was 18-years-old, planning the whole thing to make it look like some kind of ultra-violent Mafia hit.

They had – according to their own defense – suffered years of abuse at the hands of their mega rich parents, so after it became too much, they banded together to defend themselves in the most fatal way imaginable.

4. The Staircase

Academy Award-winning documentary filmmaker, Jean-Xavier de Lestrade, offers a rare and revealing look inside a high-profile murder trial. In 2001, author Michael Peterson was arraigned for the murder of his wife Kathleen, whose body was discovered lying in a pool of blood on the stairway of their home. The Staircase is a close look at the twisted American justice system.

3. The Thin Blue Line 



In 1988, documentary filmmaker Errol Morris made The Thin Blue Line. He follows the story of Randall Dale Adams, a man convicted and sentenced to life in prison for a murder he did not commit.

Randall accepted a ride from teenager and he didn’t know he was driving a stolen vehicle. When Dallas police officer Robert Wood pulls the car over to check its headlights, he is shot and killed. A jury believes Adams is the killer, and this classic documentary explores the role of Harris’ perjured testimony and misleading witness accounts. If you enjoyed Making A Murderer then you will love The Thin Blue Line.


2. This Is The Zodiac Speaking

The self-proclaimed “Zodiac Killer” carried out the random, brutal murders of five people in California’s Bay Area in 1968 and 1969. He then sent series of taunting cryptic notes to the police, claiming that if they were de-coded it would reveal his true identity. 

The FBI have been investigating the case since 1969. They have enlisted cryptanalysts and code-breakers to help unravel the complex cipher that used more than 50 shapes and symbols to represent the 26 letters of the alphabet. Ultimately the code was published by local newspapers and broken by two university professors – all they could read was: “I like killing people because it is so much fun.” 

This Is The Zodiac Speaking covers every aspect of the investigation, including interviews with the original investigators and surviving victims.

1. Capturing The Friedmans

The Friedmans were a normal middle-class family living in the affluent New York suburb of Great Neck. One Thanksgiving, as the family gathers at home for a quiet holiday dinner, their front door explodes, splintered by a police battering ram. Officers rush into the house, accusing Arnold Friedman and his youngest son Jesse of hundreds of shocking crimes.

The film follows their story from the public’s perspective and through unique real footage of the family in crisis, shot inside the Friedman house. As the police investigate, and the community reacts, the fabric of the family begins to disintegrate, revealing provocative questions about justice, family, and—ultimately—truth. Winner of the Grand Jury Prize at the 2003 Sundance Film Festival.


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