I think the woman was driving and tried to ram or run the checkpoint.
I think Cipriani was shot trying to grab the steering wheel.
Story of Italian Hostage's Release Unclear
How many people were wounded? The Americans said two civilians: Sgrena and an intelligence agent. Italian authorities said two agents were wounded besides Sgrena. Italian military officials declined to clear up the discrepancy and Berlusconi's office did not respond to a request for information.