Surveillance footage from outside the Burger King shows the trio walking past a sedan. A few seconds later, two of them are seen running in the opposite direction.
Police believe Finklea, 35, was confronted by the men during a carjacking.
When she resisted one of them shot her.
A GoFundMe page was created to raise money funeral costs.
“Her family in Florida is trying to raise money to have her body transferred to Pensacola so that her children can bury her,” friend Trae Pittman wrote in a post on the page.
Atlanta police are asking anyone with information to call CrimeStoppes at 404-577-8477.