Briefing on Iran Delivered in Baghdad

We have noted over the last several days that the U.S. government has assembled a dossier on Iranian involvement in Iraq. Release of the dossier has been delayed as officials reviewed it repeatedly for accuracy and to ensure that sources and methods were not disclosed.
The Associated Press says here that a briefing was to be delivered in Baghdad today in which the evidence regarding Iran was to be laid out. This article is the first one I’ve seen reporting on the briefing:

The U.S. military has detected a significant increase in the number of sophisticated roadside bombs in Iraq and believes that orders to send components for them came from the “highest levels” of the Iranian government, a senior intelligence officer said Sunday.
The officer said American intelligence analysts believe the EFPs are manufactured in Iran and smuggled into Iraq on orders from the top of the Iranian government. He did not elaborate.
During the briefing, the officer said that one of six Iranians detained in January in a raid on an office in the northern city of Irbil was the operational commander of the Quds Brigade, a unit of the Iranian Revolutionary Guards that trains and equips Shiite militants abroad.
The Iranians were caught trying to flush documents down the toilet, he said. Bags of their hair were found during the raid, indicating they had tried to change their appearance, he added.
He said the dates of manufacture on weapons found so far indicate they were made after fall of Saddam Hussein


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