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---
created: 2025-07-22
updated: 2025-07-22
updated: 2026-06-12
title: Symbionese Liberation Army
tags:
- Organization
- Paramilitary
- Terrorist
- Radical
- USA
- CIA
- SLA
- Assassination
- Kidnapping
- California
description: The Symbionese Liberation Army (SLA) was a radical left-wing organization active in California in the mid-1970s, known for the kidnapping of Patty Hearst.
category: "Paramilitary"
summary: "The Symbionese Liberation Army (SLA) was a radical left-wing organization active in California in the mid-1970s, best known for the 1974 kidnapping of newspaper heiress Patty Hearst."
start: 1973
end: 1975
location: "California, USA"
summary: "Radical left-wing group active in California in 1973-1974 whose leader Donald DeFreeze was recruited at Vacaville prison by CIA operative Colston Westbrook, and whose campaign of violence (the Marcus Foster assassination and the Patty Hearst kidnapping) had the effect of discrediting left-wing movements."
---
The Symbionese Liberation Army (SLA) was a radical left-wing organization active in California in the mid-1970s. They are best known for the kidnapping of newspaper heiress Patty Hearst in 1974.[^1]
The Symbionese Liberation Army (SLA) was a radical left-wing organization that operated in the [[San Francisco Bay Area]] and [[Los Angeles]] between 1973 and 1974. The group was led by [[Donald DeFreeze]], a career criminal and [[Los Angeles Police Department|LAPD]] informant who had been recruited at [[Vacaville]] Medical Facility by [[CIA]] psychological warfare specialist [[Colston Westbrook]]. The SLA never had more than approximately 22 members, and DeFreeze was the only Black member of the predominantly white radical group.[^1][^2]
[[Pat Price]], a psychic at [[Stanford Research Institute]] (SRI), was asked by the Berkeley police to assist in the investigation. Price correctly identified the kidnapping as a political act and picked out three members of the SLA, including William Wolfe (nicknamed "Lobo"), from police mugshots.[^1]
### Origins at Vacaville
Price attempted to locate Hearst using remote viewing, but was unsuccessful. Hearst was eventually arrested with other SLA members in 1975.[^1]
At Vacaville, Westbrook ran the [[Black Cultural Association]], a program that connected white radical leftist students from [[Berkeley]] with Black prisoners. Through this program, Westbrook mentored and recruited Donald DeFreeze, who was serving time as an armed robber and LAPD informant. DeFreeze obtained early release from Vacaville by performing a "favor" for prison authorities, a reference to submitting to psychiatric experiments. After transferring to [[Soledad Prison]], DeFreeze escaped on March 5, 1973, and formed the SLA later that year.[^1]
### The Marcus Foster Assassination
The SLA's first public act was the assassination of [[Oakland]] school superintendent [[Marcus Foster]] on November 6, 1973. Foster, the first African-American superintendent of Oakland's public schools, was shot eight times with hollow-point bullets packed with cyanide. His deputy superintendent, [[Robert Blackburn]], was critically wounded but survived. The SLA claimed they killed Foster over a proposed student identification card program they characterized as "fascist." Two weeks before the assassination, a neo-Nazi group had issued a flyer predicting Foster's death. "Black men" were witnessed fleeing the scene, but the arrested suspects were white, and blackface makeup was discovered in their apartments.[^1][^2]
### The Patty Hearst Kidnapping
On February 4, 1974, the SLA kidnapped newspaper heiress [[Patty Hearst]] from her Berkeley apartment. Hearst was held blindfolded in a closet, subjected to intense political indoctrination, and repeatedly threatened with death. On April 3, 1974, Hearst released an audiotape announcing she had joined the SLA and taken the name "Tania." On April 15, 1974, she participated in the [[Hibernia Bank]] robbery in [[San Francisco]], captured on surveillance footage wielding an M1 carbine. The kidnapping and Hearst's apparent conversion became one of the most sensational criminal cases of the twentieth century.[^1][^2]
### Remote Viewing Investigation
During the search for Hearst, the Berkeley police asked [[Pat Price]], a psychic at the [[Stanford Research Institute]] (SRI), to assist. Price correctly identified the kidnapping as a political act and picked three SLA members, including William Wolfe ("Lobo"), from police mugshots, though his attempt to locate Hearst by remote viewing was unsuccessful.[^3]
### The May 17 Shootout
On May 17, 1974, Los Angeles police surrounded an SLA safe house. Over 400 law enforcement officers participated in the siege, which became one of the first major police operations broadcast live on television. Six SLA members, including Donald DeFreeze, died in the assault and the building burned to the ground. Remaining members, including Patty Hearst and the [[Harris]] couple, continued to operate until Hearst's arrest on September 18, 1975.[^2]
### The Intelligence Dimension
The SLA's campaign of violence had the effect of discrediting legitimate left-wing and Black liberation movements at a time when the CIA was running [[Operation CHAOS]] and the [[Federal Bureau of Investigation|FBI]] was conducting [[COINTELPRO]] operations against domestic political organizations. Colston Westbrook's role in creating the SLA through the Black Cultural Association at Vacaville during the period of [[MKULTRA]] experiments, and his employment by [[Pacific Architects and Engineers]], a confirmed CIA proprietary, raised questions about whether the SLA was a manufactured radical group designed to destabilize and discredit the left. The SLA placed Westbrook on its death list in April 1974, calling him a CIA agent and "torturer."[^1]
### Footnotes
[^1]: Schnabel, Jim. *Remote Viewers*. Dell, 1997.
[^1]: Curt Rowlett, "Project Mind Kontrol: Did the U.S. Government Actually Create Programmed Assassins?," Steamshovel Press #16, 1998.
[^2]: Russell, Dick. "Who Ran the SLA?" *New Times*, 1974, archived at libcom.org; "The Patty Hearst/SLA Case," FBI Grapevine, January/February 2016; "Yesterday's Crimes: LAPD Snitches, CIA Mind Control and the Birth of the SLA," *SF Weekly*.
[^3]: Schnabel, Jim. *Remote Viewers*. Dell, 1997.