PETALING JAYA: The mystery surrounding the murder of Mongolian model Altantuya Shaariibuu is set to continue with one of her killers, Sirul Azhar Umar (pic) , choosing to abide by a "code of silence".
In an interview with the Sydney Morning Herald on Saturday, Sirul, a former police commando, said that he was not sure if he was ready to tell all yet.
