I recently received an email with the image shown above with the following:
In 2009 a store in Houston, Texas had this sign posted in the store window commemorating the martyrdom of Imam Ali. Imam Ali flew one of the planes into the twin towers in New York.And the note ended with the statement "Don't Tell Me We're Not in a Religious War!"
So, two minutes of Googling revealed to me:
(a) none of the 9/11 hijackers was named Imam AliNow, I don't trust the FBI list entirely. At least 7 people named on it have been found alive and had nothing to do with 9/11.
(b) Imam Ali was, in fact, a Muslim figure who died in 661 A.D.
Don't tell me we're in a religious war!