CHARLOTTE, N.C. - Silas Mobley, Jr., 56, and his son and co-defendant, Marvin Suntate Mobley, 32, both of York, S.C., were sentenced today in Charlotte to life in federal prison for cocaine trafficking-related offenses. The sentences follow an investigation conducted by U.S. Immigration and Customs Enforcement's (ICE) Homeland Security Investigations (HSI) and the Charlotte-Mecklenburg Police Department.