Three Columbus teens have been sentenced to three and a half years in prison each for their roles in the death of a friend. A plea deal on an involuntary manslaughter charges for Tyler Blazer, Brandon Hamilton and Adam Pickens took murder counts off the table. Prosecutors say they along with 17-year-old Rev Barbee broke into a Galloway home last September to steal drugs and money, and Barbee was shot by the homeowner.