two dozen Philadelphia police officers beating an unarmed man who was doing nothing other than riding his bike.
Philadelphia police said Carroll was stopped for a narcotics violation and then fought with officers. They said he bit one officer on a thigh, a hand, and an arm, and another on a forearm, drawing blood. Both were treated for their injuries after the arrest, they said.
Carroll also was taken to a hospital. Police said that was because he intentionally slammed his head into a partition in a police car.
The department launched an Internal Affairs investigation after viewing the video Wednesday.
Berto Elmore, a lawyer for Carroll, said that the department was trying to "smear" his client and that the case indicated larger problems - police brutality against black men, and deep divides between police and the communities they are sworn to serve.
In the video, Carroll can be seen bent over in the street with two officers holding him and seemingly struggling to handcuff him. "Grandma!" he yells several times - his grandmother Nancy Carroll lives across the street from where the arrest took place.
Then he and the officers are on the ground. One of the officers backs up, then punches and kicks Carroll several times.
More officers arrive, including one who yells, "Here I come! You're getting the [expletive] Taser!" as he approaches Carroll and the other officers. With about six officers surrounding him, Carroll is kicked and punched several more times, the video shows.
Police said that there was no indication a Taser had been used, but that they would check the Tasers of the officers involved to be sure.
They said Carroll had 5.3 grams of crack cocaine at the time of his arrest.
Carroll was charged with drug, assault, and related offenses.