Screen shot taken from cellphone video shows CHP officer pummeling woman by side of road.

Screen shot taken from cellphone video shows CHP officer pummeling woman by side of road.

*MEDIA ADVISORY: The L. A. chapter of the National Action Network is calling for L. A. County District Attorney Jackie Lacy to criminally prosecute the unidentified California Highway patrol officer for excessive use of force against an African American female who has refused to give her name to police.

She was stopped by the officer for walking near the freeway ramp. And then viciously attacked by the officer who was videotaped beating the woman by a passing motorist.

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