Charles Manson

Debra Tate

Patricia Krenwinkel

Leslie Van Houten

Susan Atkins

ABC retells the dark, disturbing story of Manson — and his twisted cult of devoted followers he instructed to carry out a series of grisly homicides in 1969. In this two-hour documentary.

Virginia McCullough murdered her parents and lived with their bodies for four years.

It is almost universally believed by those who were involved with, or who have studied, the Manson murders that there are far more victims still out there. This documentary looks for some of their graves.

CNN revisits the vicious, horrific killings by Charles Manson's followers, 45 years later in their special documentary report - Face of Evil: The Charles Manson Murders.

RASHAWN'S DESIRE: THE UNTOLD STORY OF RASHAWN BRAZELL is a feature-length documentary film that closely examines the story behind the 2005 murder of 19-year-old Rashawn Brazell of New York City, whose dismembered body parts were found on a trackbed in a subway station in what one magazine referred to as the "most horrific murder since Jack the Ripper." Through in-depth examination of the sensational media coverage of the case and interviews with those who knew Rashawn best, the film tells the story of who Rashawn Brazell truly was, what likely led to the crime, the stalled investigation and one determined mother's continuing quest to find justice for her son.

The line between justice and revenge blurs when a devastated family uses social media to track down the people who killed 24-year-old Crystal Theobald.

The documentary, devoted to the last days of the professor who was tragically beheaded by an Islamist terrorist. This film highlights the failings of the state and the national education system in this deeply disturbing case.

In 1967 Canadian filmmaker Hugh O'Connor came with a crew to eastern Kentucky to make a film showing people from all walks of life in the United States. They finished the day by filming coal miners and their families in rental houses. As the filmmakers were leaving, Hobart Ison, the owner of the property, drove up and fired three shots, killing Hugh O'Connor. Elizabeth Barrett, from Kentucky herself, explores why this happened by trying to understand the people and culture of eastern Kentucky.