she's a "st. louis post dispatch" reporter she was on site that night and said before the shooting happened the police as the crowd was starting to dwindle, the police moved them out of the way. so some of the crowd was to my left in this parking lot. some were to the right in this parking lot over here by a tire store. and really there were no protesters in the street. so the shooter would have had a clear line of fire at the police officers without having to worry about hitting a protester in the way. as we're going down the hill -- >> -- towards the police station over there, the shooter may actually have been on the roof of a building. what makes you think that? >> well i had thought that initially, that it was a possibility simply because of the elevation. i thought that if the shooter had protesters creating a human shield between the shooting and the police that they might have needed more elevation. but susan weech, who was down