The story

U.S. soldiers investigating a shooting by Blackwater guards that left 17 Iraqis dead found no evidence the security contractors were fired upon, a source familiar with a preliminary U.S. military report said Friday.

The soldiers also found evidence suggesting the guards fired on cars that were trying to leave Nusoor Square in Baghdad during the shootings, the military source said.

The report said the weapons casings found by soldiers, who arrived about 20 minutes after the shooting subsided, matched only those used by U.S. military and contractors, the source said. Read full article »

CNN's Jennifer Deaton, Jomana Karadsheh and Ingrid Formanek contributed to this report.

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