Chase Sherman struggling with Coweta County sheriff's deputies on November 20, 2015.

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Chase Sherman struggling with Coweta County sheriff's deputies on November 20, 2015.

A Georgia district attorney says his office is still investigating a November incident involving Coweta County sheriff's deputies using their stun guns 15 times on a handcuffed man in the back of an SUV.

Footage of the incident, which ended with the death of 32-year-old Chase Sherman, was made public Friday.

In a statement, Coweta County District Attorney Peter Skandalakis said his office released the footage because of “great public interest” in the matter.

He also extended his condolences to the Sherman family and said his office would closely examine the details of the incident.

Mary Ann Sherman, Chase Sherman's mother, called 911 to report that her son was acting erratically as they drove along an interstate highway southwest of Atlanta. Mary Ann Sherman said her son had recently taken synthetic marijuana.

Deputies arrived and proceeded to struggle with Sherman, using their stun guns and body weight to subdue him. Towards the end of the struggle, Sherman can be heard saying: “O.K. I’m dead, I’m dead,” and, “I quit, I quit.”

Once deputies subdued Sherman with the help of an emergency medical technician who had arrived on the scene, they checked his pulse. Finding none, they pulled Sherman out of the car and began trying to revive him. 

Sherman was later pronounced dead. The GBI ruled his death a homicide.

An attorney for Sherman’s family was not available for a statement and the Coweta County Sheriff's Office declined to comment on the incident.

Footage of the incident, obtained by the New York Times, can be found below.