---
category: Private Organization
created: 2026-06-03
summary: Engineering and construction company identified as a CIA proprietary that
  provided cover for intelligence officers and built interrogation facilities for
  the Phoenix Program in Vietnam. Employed SLA-connected operative Colston Westbrook.
tags:
- Organization
- CIA
- Proprietary
- Vietnam
updated: 2026-06-03
---

Pacific Architects and Engineers (PAE) was an engineering and construction company identified as a proprietary of the [CIA](/organizations/central-intelligence-agency/). The [New York Times](/organizations/new-york-times/) reported in 1974 that PAE served as a recruiting pool and cover mechanism for CIA officers operating in [Vietnam](/places/vietnam/) and Southeast Asia during the Vietnam War. The company's primary intelligence function was providing legitimate business cover for case officers and constructing facilities used in counterinsurgency operations.[^1][^2]

### Phoenix Program Facilities

PAE was awarded contracts for constructing 44 Province Interrogation Centers (PICs) in South Vietnam, facilities central to the [Phoenix Program](/programs/phoenix-program/), the CIA's systematic campaign of assassination, capture, and interrogation of suspected Viet Cong operatives. The company built the physical infrastructure for a program responsible for the interrogation, torture, and killing of tens of thousands of Vietnamese civilians. PAE employees provided cover for CIA intelligence officers who operated within the interrogation center network.[^1]

### Colston Westbrook Employment

[Colston Westbrook](/people/colston-westbrook/), the CIA psychological warfare specialist who later ran the [Black Cultural Association](/organizations/black-cultural-association/) at [Vacaville](/places/vacaville/) prison and recruited [Donald DeFreeze](/people/donald-defreeze/) into what became the [Symbionese Liberation Army](/organizations/symbionese-liberation-army/), worked for PAE in Vietnam in the mid-1960s. When asked why he went to Vietnam, Westbrook replied, "Money, why else? I could make $10,000." Westbrook's employment at PAE placed him directly within the CIA's counterinsurgency infrastructure during the most intensive period of the Phoenix Program. His subsequent assignment to Vacaville prison, where he applied psychological warfare techniques to the domestic prison population, represented a direct transfer of methods from foreign counterinsurgency to domestic intelligence operations.[^1][^2]

### The Prison-Medico-Intelligence Complex

Researchers have described a nexus connecting PAE, the CIA, the California prison system, and behavioral modification research under [MKULTRA](/programs/project-mkultra/) as a "prison-medico-intelligence complex." In this framework, PAE served as the logistical and financial infrastructure that connected foreign counterinsurgency operations with domestic behavioral experiments on prison populations. Colston Westbrook's trajectory from PAE in Vietnam to Vacaville prison in [California](/places/california/) exemplified this pipeline.[^1]

[^1]: Brad Schreiber, "How the Patty Hearst Kidnapping Led to U.S. Police Militarization," History News Network; The New York Times, 1974.
[^2]: Russell, Dick. "Who Ran the SLA?" *New Times*, 1974, archived at libcom.org. https://libcom.org/article/who-ran-sla-dick-russell; Schreiber, Brad. "How the Patty Hearst Kidnapping Led to U.S. Police Militarization," BradSchreiber.com. https://www.bradschreiber.com/selected-writing/how-the-patty-hearst-kidnapping-led-to-us-police-militarization