# The CIA and FBI were operating on the assumption that Abu Zubaydah was the mastermind behind the 2001 plots.
*Canonical page:* https://truthscore.com/claim/the-cia-and-fbi-were-operating-on-the-assumption-that-abu-zubaydah-was--ad7de122
*Numbers under lens:* **Evidence-weighted** (`log-odds@1`)
*Machine twins:* https://truthscore.com/claim/the-cia-and-fbi-were-operating-on-the-assumption-that-abu-zubaydah-was--ad7de122.md · JSON at https://truthscore.com/api/v1
The CIA and FBI were operating on the assumption that Abu Zubaydah was the mastermind behind the 2001 plots.

## Voices

*Counted, never weighed.*

- [Hindustan Times](https://truthscore.com/entity/6f7ada0a) — independent

## Sources

- [CIA had multiple clues linking 9/11 mastermind to terror plot before attack but failed to act: Report | World News](https://truthscore.com/source/4ce792ec)