# 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--fb2d81bf
*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--fb2d81bf.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.