A Gainesville man was sentenced to more than 15 years in federal prison in connection to the Lenox Park Cartel, a group authorities said distributed 8,800 pounds of methamphetamine during a 10-month investigation. Ruben Antonio Ruiz pleaded guilty to conspiracy to possess with intent to distribute methamphetamine and possession of a firearm during a drug trafficking crime. He was sentenced to 181 months in federal prison Dec. 19. Hall County Multi-Agency Narcotics Squad agents arrested 11 of 12 in 2016 following a federal grand jury indictment.