Two other officers did not fire their weapons, officials said.
The number is high on a force where most officers never fire their guns.
They fell to the ground, then the officer stood up and fired.
"Why would the officers have fired if they didn't fear for their own lives?"
The officer fired, but did not shoot either man, the police said.
The officer fired, but he was too far away and missed.
The officer fired four shots at him, the police said.
"We just don't know yet whether the officer fired at them," she said.
No one knows yet which officer fired the bullet, and the truth may never be known.
In response, the officers fired a total of 11 shots.
