Andrew Ansah said a neighbor tried to intervene when the dad chased the mother and daughter outside but could not stop him from shooting the two.

“(They) ran out of the house and he ran after them” Andrew said, reporting what his neighbor told him.

via Douglas County shooter described as ‘mysterious’ man | www.ajc.com.

Not trying to make light of an extremely sad situation, but it confirms that Duty to Retreat is just the stupid belief that you can outrun a bullet. I also think that in the next several days, we are gonna find out the shooter gave plenty warnings about his possible behavior and they went ignored.