Police believe that person was so upset they followed the 22-year-old until they could get close enough to open fire.
We're learning about the good deed the victim was doing at the time of the shooting, on Channel 2 Action News at 5 p.m.
“Someone who loses their temper because they got cut off or something else happens and they decide to take it out on other person,” said DeKalb County Police Spokesperson Sheira Campbell.
Williams and his two passengers swerved off the road, striking two cars before slamming into a home.
“That's the day and times we live in,” said Williams’ brother, Frederick Williams. “It happens unfortunately, I lost a brother in this incident."
Police said no one else was injured in the accident. Investigators are still searching for the suspect and the vehicle.
"Canvassing the area looking for surveillance footage,” Campbell.
“You took somebody's son, brother and dad away from them and you have a mother and father and maybe children too, you wouldn't want no body take you from them, so do the right thing so you can sleep at night,” Grace Williams said