The Pakistan Army and Inter-Services Intelligence (ISI) have been maintaininga discreet silence on the assassination of Mrs.Benazir Bhutto by as yetunidentified elements at Rawalpindi on December 27, 2007. Gen.Ashfaq PervezKiyani, the Chief of the Army Staff (COAS), was on a visit to Armyestablishments in Karachi at the time of her assassination. He immediatelycancelled his engagements and returned to Rawalpindi. He and his officers in theGeneral Headquarters (GHQ) as well as in the ISI have avoided any comments orstatements or background briefings for the media on her killing. Gen.Kiyani iskeeping a tight control over his officers in order to ensure that they do notadd to the messy sequel as a result of the loose talk emanating from theMinistry of the Interior, which was responsible for her protection.