Twelve drivers are in custody after they were found to be driving under the influence at a DUI checkpoint.FRESNO, Calif . (KFSN) -- Twelve drivers are in custody after they were found to be driving under the influence at a DUI checkpoint.The checkpoint was held last night in Southwest Fresno. Fresno Police officers say a total of 31 vehicles were impounded.Nineteen drivers were also found to be driving with a suspended license. Report a correction or typo