In a teaser clip of the Peacock docuseries "Making Manson," the cult leader is heard on a tape saying he killed more people than previously thought.

A new docuseries about the cult leader features audio in which he admits to participating in multiple killings in Mexico before the notorious Manson family murders of 1969.

Serial killer Charles Manson confessed to murders before he became the leader of the notorious Manson Family cult, chilling new audio from a prison phone call reveals.

In 2017, Manson died of natural causes while serving a lifetime sentence at California State Prison-Corcoran, where he had been housed since 1989. He was originally sentenced to death before California abolished the death penalty. He was convicted of first-degree murder and conspiracy to commit murder.

Cult leader and killer Charles Manson admitted to committing murders before he infamously became the head of the so-called Manson Family and led his troop of followers to commit a string of brutal killings in California in 1969.

Manson rose to notoriety for orchestrating the brutal murder of actor Sharon Tate, 26, in 1969. After being arrested the following year, he appeared at the trial with a swastika carved into his head and was given the death sentence, which was changed to nine consecutive life sentences after California abolished the death penalty.

In newly released audio featured in a documentary, Manson appears to speak about previously unknown killings.

Cult leader Charles Manson, in a newly released prison call, accepted that he had involvement in additional killings which occurred before his assembly of the notorious "Manson Family". Manson, who was behind the killings during the late 1960s in California,