‘I Want An Off-The-Shelf Sex Partner’: Serial Killer Leonard Lake’s Most Disturbing Diary Excerpts
‘I Want An Off-The-Shelf Sex Partner’: Serial Killer Leonard Lake’s Most Disturbing Diary Excerpts
In “Manifesto of a Serial Killer," excerpts from Leonard Lake’s terrifying home videos and journal are shown.

Leonard Lake swallowed a cyanide pill while in custody after his arrest in San Francisco for possession of an illegal firearm.

It took him four days to die. At least 11 people were raped, tortured, and killed by Lake and his partner, Charles Ng, in a cabin in Wilseyville, California.

Lake had videotapes and written documents in which he outlined his plans. The show, "Manifesto of a Serial Killer," takes a deep dive into the case, including Lake's diaries.

Lake's sinister plans were revealed in entries made between early 1983 and late 1984. The diary was more than a hundred pages long.

Lake viewed himself as outside the mainstream. Lake wrote that he was a dangerous person. Society would be worried if they knew what I was up to.

Lake was sitting in a recliner and sharing visions of sexual subjugation of women.

Lake wanted to abduct a woman and hold her hostage for his sexual needs.

Lake said in a home video that he wanted an off-the-shelf sex partner. I want to be able to use a woman whenever. I want.

Lake said he was going to get a slave. There is. It's a sexual slave, but also a physical slave.

His disappearance led investigators to a couple of serial killers.

According to the LA Times report, Lake said he was going to try and get it. It will be interesting to see how far this tape is. I actually go.

Lake referred to the mission in vague ways.

"What stood out to investigators at the time were numerous code names and references in the diary to something called Operation Miranda," Todd Howe told producers.

The John Fowles film The Collector inspired his violent fantasy. In the novel a man builds a cell and holds a woman named Miranda hostage in a twisted attempt at love that ends with the captive dead and buried.

Greg Owens, co-author of "No Kill, No Thrill", said that Lake recorded his plans to build a bondage cell in 1984.

There are other things related to this Why do killers write?

Owens said that he was going to capture women and make them his slaves.

Owens told "Manifesto of a Serial Killer" that the last page of Lake's diary held some of the most gruesome entries in the case.

Lake describes how he and Ng decided to kill a man named Paul Cosner.

Friday, November 2, 1984. Met Charlie did an op. It was the first time that resistance was encountered in obtaining credit cards. He canceled Charlie's debt because he was going to country for completion.

Owens described the day Paul Cosner disappeared.

The body of Cosner has not been recovered.

Howe said it was impossible to know how many victims paid with their lives. has a documentary on the case called "Manifesto of a Serial Killer".


1. Leonard Lake

2. tortured, and killed at least 11 and as many as 25 people

3. videotapes and written documents


5. “Manifesto of a Serial Killer,”


7. Lake wrote

8. according to a 1998 Los Angeles Times report

9. according to the same LA Times report.

10. The Collector.”

11. co-author of “No Kill, No Thrill.”

12. RELATED: Why Killers Write Manifestos

13. “Manifesto of a Serial Killer,”

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