William Anthony McNeil Jr. questioned why he was pulled over and refused to get out of the car. An officer smashed his window and punched him in the face, video shows.

The Jacksonville Sheriff's Office said in a statement that it had launched an internal probe of the video depicting William McNeil Jr.'s arrest and the circumstances surrounding it. The video was released on July 20 by McNeil's attorneys, Ben Crump and Harry Daniels.

Jacksonville Sheriff T.K. Waters said Sunday the agency has launched an internal investigation after the video garnered attention on social media.

A Florida lawmaker and notable civil rights attorneys are calling out Jacksonville Sheriff's Office after a video showing an officer striking an unarmed Black man in the face during a traffic stop.