The U.S. Marshals Service increased the reward to find Austin Drummond to $10,000; combined with the TBI's previously posted reward, the total reward is now $17,500.

Tanaka Brown and Giovante Thomas, 29, were charged with aiding Austin Drummond, 28, who is accused of killing four people.

The Tennessee Bureau of Investigations says a Jackson, Tennessee man has been charged in connection to the quadruple murders in Tiptonville earlier in the week.