Hours later, a second video surfaced showing Bongiovanni punching that same handcuffed man.
The Gwinnett County Police Department in Lawrenceville, Georgia - about 30 miles outside of Atlanta - called the videos "shocking" and "disturbing" and announced today that two officers had been fired and that criminal investigations had begun.
FILE - In this Wednesday, April 12, 2017 file photo released by the Gwinnett County (Ga.) Sheriff's Office, Demetrius Bryan Hollins poses for a photograph after being arrested.
The officer hasn't been identified, but police say he has been put on paid leave pending a full investigation.
A police spokesman said the department wants to "continue being transparent and decisive about this entire incident".
"He has been a very effective police officer throughout his career", Ayers said.
"We acknowledge that the actions of these two officers have implications that will be felt for some time", the Police Department said in a statement. "The actions by this former officer do not represent the officers of this department who dedicate their lives to serving the community on a daily basis".
Gwinnett County District Attorney Danny Porter told the AJC that charges are likely, particularly against McDonald.
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Bongiovanni, who's been on the force 19 years, wrote he ordered Hollins out of the auto, but a struggle ensued.
The officer smelled marijuana and was unable to verify any information about the vehicle, so he ordered Hollins out of the auto.
In a second video, Hollins then can be seen lying handcuffed on the ground in the middle of the highway, when another officer, Robert McDonald, sprinted over to the scene and kicked Hollins in the face. At one point, Hollins reached under a seat where officers later found a gun.
Hollins yelled and refused to obey orders when Bongiovanni ordered him out of the auto and resisted when Bongiovanni tried to arrest him, the report says.
"(Bongiovanni) had the opportunity to tell us what happened in the report and when he was interviewed by internal affairs. As Attorney General Jeff Sessions moves to de-emphasize reform that might address the issue of police brutality, it's unlikely the picture will become clearer anytime soon. In addition to allegedly smelling marijuana, officers ordered Hollins out of the auto. They're asking for the police department's hiring policies as it relates to mental health and disciplinary records, among other requests. He was released on bond on Thursday.
On Wednesday afternoon, officer Robert McDonald responded to assist a supervisor with a traffic stop.
".The truth would have never came to light without these videos".