Authorities are urging anyone with information about the shooting to come forward.
The witness reported recognizing the voice at the door but could not identify the individual.
Three other males sustained gunshot wounds and were transported to Phoebe Putney Memorial Hospital.
Police ask public to please stay out of the area.
Unconfirmed reports indicate that the child has passed away.
The younger boy, who is currently in the hospital, appears to be Davis's younger brother.
Coweta County Sheriff's Office deputies found two bodies in the driveway and another body in the doorway.
Anyone with information about Anderson and Kuhbander's whereabouts is urged to contact authorities at 911 or the Hinesville Police Department at 912-368-8211.
Authorities do not believe this was a random act, and no suspect is in custody at this time.
Five others were injured.