[piasa]

The Hamburg cell that launched the 9/11 attacks was led by a Syrian Imam and a Syrian-born German known for connections to Syria’s intelligence agency.

Also:

http://www.washingtoninstitute.org/policy-analysis/view/terror-from-damascus-part-ii-hizballah-and-al-qaeda-terrorist-activity-in-s

[WatchungEagle]

The “Washington Institute for Near East Policy” is a spin off of AIPAC. It’s officially part of the Israel Lobby and is not a reliable source for information. WINEP was heavily involved in spreading false information in support of the invasion of Iraq. They have been pushing for a US attack on Syria and also want the US to have a war with Iran.

https://en.wikipedia.org/wiki/The_Washington_Institute_for_Near_East_Policy

This particular lie is very similar to the claim they peddled that Iraq was behind al-Qaeda.