From his position, he felt the other officers were threatened.
Our officers are very aware of the value of a human life -- nobody in our department is going to (open fire) capriciously.
Every officer knows that it could have been them.
It's been happening too frequently. Of course, anytime it happens it's a devastating loss.
In this case, I understand there is an injured officer and two damaged patrol cars. That doesn't sound like a nonviolent person to me.