[South40]

To me, it appeared that she was sheilding him to keep him from getting shot. She had plenty of opportunity to run if she had wanted to but chose not to so as to protect him. And she was willing to risk the safety of the child to do it.

[OldFriend]

DId you see the part where she was far from him and trying to open car doors of other drivers. They were in this together. She knew very well he had no weapon and could have run towards the police when he got out of the car.