CHATTANOOGA (WRCB)-- Montez Davis was convicted of second degree murder in March. He was sentenced to 21-years in prison, Monday.

In January 2010, Davis drove through the Kanku's parking lot on Wilcox Boulevard and fired random shots, killing Jonathan Lawrence as he pumped gas.

At trial, Davis said he was retaliating because someone through a bottle through his jeep window.

Davis's attorney says there's no evidence to support second degree murder and says he'll file a motion for a new trial.