The Commission of Inquiry investigating the operations of the Ghana@50 Secretariat and the National Planning Committee (NPC) of the Government of Ghana (GoG) yesterday, 19 October, 2009 let down the former Chief of Staff, Mr. Kwadwo Mpiani, who also doubled as the Chairman of the Golden Jubilee celebrations who was billed to appear before the Commissioners as well as the scores of media personnel who had thronged the venue of the probe to witness the widely anticipated proceedings of the Commission.