The detective, whose name has not yet been released, was in critical condition after a head-on collision with a vehicle traveling the wrong way on Martin Luther King Boulevard about 2 p.m. Friday
Weaver is the 139th police officer killed in the line of duty in 2016 and the 63rd to be gunned down.
Lt. Fearon is survived by his wife Janice, and their three children, Ryan, Elyse and Jessie.
The incident began when police were called to an apartment complex in response to possible gunshots being fired around 10:15 p.m. Sunday,
Georgia has taken the brunt of tragedy in 2916, seeing eight line of duty deaths so far.
When the officers arrived, they were shot by the domestic violence suspect.