Chilling video shows the moment Atlanta active shooter suspect captured in Cobb County

ATLANTA — New video shows an alleged gunman accused of a deadly mass shooting at a midtown medical office surrendering to officers in Cobb County.

Deion Patterson, 24, is accused of killing one woman and injuring four others when he opened fire at a Northside Hospital facility on Wednesday, West Peachtree Street, around noon.

The woman who was killed has been identified as 38-year-old Amy St. Pierre.

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Patterson was later arrested behind an apartment complex in Cobb County.

A new video obtained by Channel 2′s Cobb County Bureau Chief Michele Newell shows Patterson with his back turned to officers and kneeling in the grass. He puts his hands over his head and slowly lowers himself to lie on the ground before officers swarm and handcuff him.


Channel 2′s Larry Spruill spoke to a woman who said she had a hunch and suggested to police that they search a poolhouse at her apartment complex.

“(It had) a shower area with no windows or anything,” she said. “It was just the perfect place to hide.”'

She said that officers swarmed the area moments after she gave them a tip.

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Channel 2′s Sophia Choi spoke to Patterson’s parents off-camera after the shooting. His mother said he became agitated when doctors would not give him Ativan, an anti-anxiety medication.

Police said he opened fire in a waiting room before leaving the scene about two minutes later and running to a nearby Shell station, where he stole a white Toyota Tacoma truck.

The truck was found a few hours later in a parking garage near the Battery.

NewsChopper 2 was over the highway Wednesday night as officers escorted Patterson back to Fulton County.

Police have not identified the survivors, except that they ranged in age from 25 to 61.

The U.S. Centers for Disease Control and Prevention later confirmed that St. Pierre, the victim who was killed, was a CDC employee and offered condolences to her loved ones.

Patterson now faces four aggravated assault charges and a single charge of murder.

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