Ladarius Bryant, 17, who was set to go to trial on Monday for first-degree murder, pleaded guilty Friday to the lesser charge of second-degree murder.
Bryant was a sophomore in high school when he was arrested for shooting 22-year-old Kowan Choli Ahmad  on May 15, 2010, at the Sultan Cafe on Nolensville Road.
Teens started throwing up gang signs in the restaurant when managers tried to move the crowd outside. Bryant took a gun from a car, fired a shot in the air, then fired into the crowd, striking Ahmad. Ahmad died two weeks after being hospitalized.
Bryant is set to serve a sentence of 20 years in prison at 100 percent.