Pakistani who helped US sentenced to prison Developing ... Official: Pakistani doctor who helped the U.S. track down Osama bin Laden has been sentenced to 33 years in prison. Reuters says the reports are coming from television channels and a local government official. The official said Shakil Afridi was charged with treason for running a fake vaccination campaign believed to have helped the American intelligence agency track bin Laden in a Pakistani town, where he was killed in a U.S. special forces raid.