Egypt\'s Illicit Gains Authority began on Monday interrogating former President Mubarak\'s older son Alaa, and is resuming interrogation with Gamal Mubarak, who was held in custody for 15 days pending investigation. The two face charges of illicit gains and grafting. Public Funds Investigation, Administrative Control Authority presented reports that showcased that the wealth of the former President\'s two sons exceeds the legal amount. An investigation team headed to Tura prison today afternoon to begin interrogating the Mubarak\'s sons.