One of the juvenile defendants already reported that she drove away, trying to escape the cops and that one of the cops was trapped between the car and a fence. And as you said, they had no pressing reason to lie.
http://www.nydailynews.com/news/nat...-death-jessica-hernandez-17-article-1.2094639
"They came from the back, speeding," the witness who wished to remain anonymous told 9News. "
Jessie tried to drive away. They shot the window. When they walked up, they shot at her window and they shot her."
She says police first shot at the cars window, injuring Hernandez, and forcing her to lose control of the car and strike the officer.
She says the officer was pinned between the car and a fence.
[ so according to the teen witness,
the cops came up, then SHE TRIED TO DRIVE AWAY, then they shot at her from the side window---and she lost control, and went into the pinned officer...]