Donald’s not looking her way so she didn’t identify herself and he’s almost past her. Did she put her hand out and try to touch Donald to stop him? She perhaps moved into Donald’s space and was pushed back as she should have been.
We are through the looking glass here, a presidential candidate is walking with his security detail in a crowd and a reporter reaches out in front of him. Even IF someone grabs her arm out of the way this is hardly a case of assault. Any professional journalist would proudly show off the bruise, tell the story, and move on.