Russell Mathis was fired from the department after the shooting.
Prosecutors say the ex-DeKalb County officer shot and killed a Stone Mountain man after entering his home while on duty. He'll now spend two years on house arrest and more on probation.
A plea hearing is scheduled for former DeKalb County police officer Russell Mathis.
The third and final defendant in the shooting death of an Athens 3-year-old learned he will spend life in prison.