The BriefOliver Luis Roman, 19, of Powder Springs, entered a non-negotiated guilty plea. CHEROKEE COUNTY, Ga. - A Cherokee County teenager has been sentenced to 20 years, with the first 12 months to serve in jail, after pleading guilty to a January crash that killed two people and seriously injured two others. Advertisement AdvertisementAdvertisement AdvertisementThe District Attorney recommended a sentence of 20 years with 10 to serve in custody. Chief Superior Court Judge David L. Cannon Jr. imposed a sentence of 20 years, with the first 12 months in the Cherokee County adult detention center. As part of the sentence, Roman must complete 240 hours of community service, pay restitution, and surrender his driver’s license.