Undercover work by the Johnson City Police Department (JCPD) led to guilty pleas and prison sentences for two men.According to a news release from 1st District Attorney Ken Baldwin, Tamba Poindoe, 30, and Joshua Darnell Odem, 31, both pleaded guilty to multiple cocaine-related drug charges.The pair sold drugs on Fairview Street and Market Street according to police and after their prison terms they will both serve eight years of probation.